SparkFun
SparkFun
Project #12: Robotics – EasyDriver – Mk01
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Small Stepper Motor
Stepper motors are great motors for position control. They can be found in desktop printers, plotters, 3D printers, CNC milling machines, and anything else requiring precise position control. Steppers are a special segment of brushless motors. They are purposely built for high-holding torque. This high-holding torque gives the user the ability to incrementally “step” to the next position. This results in a simple positioning system that doesn’t require an encoder. This makes stepper motor controllers very simple to build and use. These small steppers are a great way to get things moving, especially when positioning and repeatability is a concern. This is a Bipolar motor.
Pros
Excellent position accuracy
High holding torque
High reliability
Most steppers come in standard sizes
Cons
Small step distance limits top speed
It’s possible to “skip” steps with high loads
Draws maximum current constantly
DL1911Mk04
1 x Adafruit RGB LCD Shield 16×2 Character Display
1 x Arduino UNO – R3
1 x ProtoScrewShield
2 x EasyDriver – Stepper Motor Driver
2 x Small Stepper Motor
2 x Pololu Mounting
4 x Jumper Wires 3″ M/M
10 x Jumper Wires 6″ M/M
2 x Half-Size Breadboard
Arduino UNO
SP1 – Digital 3
DI1 – Digital 2
SP2 – Digital 5
DI2 – Digital 4
VIN – +5V
GND – GND
DL1911Mk04.ino
// ***** Don Luc Electronics © *****
// Software Version Information
// Project #12: Robotics - EasyDriver - Mk01
// 11-04
// DL1911Mk04p.ino 12-01
// Arduino UNO
// Screw Shield
// Adafruit RGB LCD Shield
// 2 x Small Stepper Motor
// 2 x EasyDriver
// include the library code:
#include <Adafruit_RGBLCDShield.h>
// Adafruit RGB LCD Shield
Adafruit_RGBLCDShield RGBLCDShield = Adafruit_RGBLCDShield();
// These #defines make it easy to set the backlight color
#define OFF 0x0
#define RED 0x1
#define YELLOW 0x3
#define GREEN 0x2
#define TEAL 0x6
#define BLUE 0x4
#define VIOLET 0x5
#define WHITE 0x7
// Momentary Button
int yy = 0;
uint8_t momentaryButton = 0;
// 2 x EasyDriver
int dirPinR = 2; // EasyDriver Right
int stepPinR = 3; // stepPin Right
int dirPinL = 4; // EasyDriver Left
int stepPinL = 5; // stepPin Left
int i = 0;
void loop() {
// Clear
RGBLCDShield.clear();
// Momentary Button
momentaryButton = RGBLCDShield.readButtons();
switch ( yy ) {
case 1:
// Up
isSwitch1();
break;
case 2:
// Down
isSwitch2();
break;
case 3:
// Right
isSwitch3();
break;
case 4:
// Left
isSwitch4();
break;
case 5:
// Stop
isSwitch5();
break;
default:
// Stop
yy = 5;
RGBLCDShield.setBacklight(RED);
isSwitch5();
}
if ( momentaryButton ) {
if ( momentaryButton & BUTTON_UP ) {
yy = 1;
// Up
RGBLCDShield.setBacklight(GREEN);
}
if ( momentaryButton & BUTTON_DOWN ) {
yy = 2;
// Down
RGBLCDShield.setBacklight(VIOLET);
}
if ( momentaryButton & BUTTON_LEFT ) {
yy = 3;
// Right
RGBLCDShield.setBacklight(TEAL);
}
if ( momentaryButton & BUTTON_RIGHT ) {
yy = 4;
// Left
RGBLCDShield.setBacklight(YELLOW);
}
if ( momentaryButton & BUTTON_SELECT ) {
yy = 5;
// Stop
RGBLCDShield.setBacklight(RED);
}
}
}
getSwitch.ino
// Switch
// Switch 1
void isSwitch1(){
// Up
yy = 1;
// set the cursor to column 0, line 0
RGBLCDShield.setCursor(0,0);
RGBLCDShield.print("EasyDriver"); // EasyDriver
RGBLCDShield.setCursor(0,1);
RGBLCDShield.print("Up");
// 2 x EasyDriver
digitalWrite(dirPinR, LOW); // Set the direction.
delay(100);
digitalWrite(dirPinL, LOW); // Set the direction.
delay(100);
for (i = 0; i<1000; i++) // Iterate for 1000 microsteps.
{
digitalWrite(stepPinR, LOW); // This LOW to HIGH change is what creates the
digitalWrite(stepPinR, HIGH); // "Rising Edge" so the easydriver knows to when to step.
delayMicroseconds(170); // This delay time is close to top speed.
digitalWrite(stepPinL, LOW); // This LOW to HIGH change is what creates the
digitalWrite(stepPinL, HIGH); // "Rising Edge" so the easydriver knows to when to step.
delayMicroseconds(170); // This delay time is close to top speed.
}
}
// Switch 2
void isSwitch2(){
// Down
yy = 2;
// set the cursor to column 0, line 0
RGBLCDShield.setCursor(0,0);
RGBLCDShield.print("EasyDriver"); // EasyDriver
RGBLCDShield.setCursor(0,1);
RGBLCDShield.print("Down");
// 2 x EasyDriver
digitalWrite(dirPinR, HIGH); // Set the direction.
delay(100);
digitalWrite(dirPinL, HIGH); // Set the direction.
delay(100);
for (i = 0; i<1000; i++) // Iterate for 1000 microsteps.
{
digitalWrite(stepPinR, LOW); // This LOW to HIGH change is what creates the
digitalWrite(stepPinR, HIGH); // "Rising Edge" so the easydriver knows to when to step.
delayMicroseconds(170); // This delay time is close to top speed.
digitalWrite(stepPinL, LOW); // This LOW to HIGH change is what creates the
digitalWrite(stepPinL, HIGH); // "Rising Edge" so the easydriver knows to when to step.
delayMicroseconds(170); // This delay time is close to top speed.
}
}
// Switch 3
void isSwitch3(){
// Right
yy = 3;
// set the cursor to column 0, line 0
RGBLCDShield.setCursor(0,0);
RGBLCDShield.print("EasyDriver"); // EasyDriver
RGBLCDShield.setCursor(0,1);
RGBLCDShield.print("Hight");
// 2 x EasyDriver
digitalWrite(dirPinR, LOW); // Set the direction.
delay(100);
digitalWrite(dirPinL, HIGH); // Set the direction.
delay(100);
for (i = 0; i<1000; i++) // Iterate for 1000 microsteps.
{
digitalWrite(stepPinR, LOW); // This LOW to HIGH change is what creates the
digitalWrite(stepPinR, HIGH); // "Rising Edge" so the easydriver knows to when to step.
delayMicroseconds(170); // This delay time is close to top speed.
digitalWrite(stepPinL, LOW); // This LOW to HIGH change is what creates the
digitalWrite(stepPinL, HIGH); // "Rising Edge" so the easydriver knows to when to step.
delayMicroseconds(170); // This delay time is close to top speed.
}
}
// Switch 4
void isSwitch4(){
// Left
yy = 4;
// set the cursor to column 0, line 0
RGBLCDShield.setCursor(0,0);
RGBLCDShield.print("EasyDriver"); // EasyDriver
RGBLCDShield.setCursor(0,1);
RGBLCDShield.print("Left");
// 2 x EasyDriver
digitalWrite(dirPinR, HIGH); // Set the direction.
delay(100);
digitalWrite(dirPinL, LOW); // Set the direction.
delay(100);
for (i = 0; i<1000; i++) // Iterate for 1000 microsteps.
{
digitalWrite(stepPinR, LOW); // This LOW to HIGH change is what creates the
digitalWrite(stepPinR, HIGH); // "Rising Edge" so the easydriver knows to when to step.
delayMicroseconds(170); // This delay time is close to top speed.
digitalWrite(stepPinL, LOW); // This LOW to HIGH change is what creates the
digitalWrite(stepPinL, HIGH); // "Rising Edge" so the easydriver knows to when to step.
delayMicroseconds(170); // This delay time is close to top speed.
}
}
// Switch 5
void isSwitch5(){
// Stop
yy = 5;
// set the cursor to column 0, line 0
RGBLCDShield.setCursor(0,0);
RGBLCDShield.print("EasyDriver"); // EasyDriver
RGBLCDShield.setCursor(0,1);
RGBLCDShield.print("Stop");
delay( 1000 );
// 2 x EasyDriver
digitalWrite(dirPinR, LOW); // Set the direction.
delay(100);
digitalWrite(dirPinL, LOW); // Set the direction.
delay(100);
digitalWrite(stepPinR, LOW); // This LOW to HIGH change is what creates the
digitalWrite(stepPinL, LOW); // This LOW to HIGH change is what creates the
}
setup.ino
// Setup
void setup() {
// Adafruit RGB LCD Shield
// Set up the LCD's number of columns and rows:
RGBLCDShield.begin(16, 2);
RGBLCDShield.setBacklight(GREEN);
// Display
// Set the cursor to column 0, line 0
RGBLCDShield.setCursor(0,0);
RGBLCDShield.print("Don Luc Electron"); // Don luc Electron
// Set the cursor to column 0, line 1
RGBLCDShield.setCursor(0, 1);
RGBLCDShield.print("EasyDriver"); // EasyDriver
delay(5000);
// Clear
RGBLCDShield.clear();
// 2 x EasyDriver
pinMode(dirPinR, OUTPUT);
pinMode(stepPinR, OUTPUT);
pinMode(dirPinL, OUTPUT);
pinMode(stepPinL, OUTPUT);
}
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Don Luc
Project #11: ESP32 Feather – PIR Motion Sensor – Mk11
PIR Motion Sensor
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PIR Motion Sensor
Passive infrared (PIR) sensors are motion-detecting devices used in security systems across the world, even though you may not see them, they probably see you.
This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the ‘alarm’ pin will go low.
Pololu Adjustable Boost Regulator 2.5-9.5V
This powerful, adjustable boost regulator can generate an output voltage as high as 9.5 V from an input voltage as low as 1.5 V, all in a compact, 0.42″ x 0.88″ x 0.23″ package. A trimmer potentiometer lets you set the boost regulator’s output voltage to a value between 2.5 and 9.5 V.
DL1911Mk02
1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit Adalogger FeatherWing – RTC + SD
1 x CR1220 12mm Lithium Battery
1 x 8Gb Micro SD Card
1 x RHT03 Humidity and Temperature Sensor
1 x GPS Receiver GP-20U
1 x LED Green
1 x Rocker Switches
1 x 100 Ohm
1 x 10K Ohm
1 x 3.3M Ohm
1 x Antenna
1 x Lithium Ion Battery – 2.5Ah
1 x PIR Motion Sensor
1 x Pololu Adjustable Boost Regulator 2.5-9.5V
1 x LED Green 1
14 x Jumper Wires 3″ M/M
10 x Jumper Wires 6″ M/M
2 x Wire
1 x Full-Size Breadboard
2 x Breadboard
1 x SparkFun Cerberus USB Cable
Adafruit HUZZAH32 ESP32 Feather
LG0 – Digital 21
RO1 – Digital 16
RHT – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
SD1 – Digital 33
SC2 – Digital 5
MO2 – Digital 18
MI2 – Digital 19
GPS – Digital 4
EMF – Analog A0
BAT – Analog A13
MOT – Digital 32
LG1 – Digital 14
GND – GND
VIN – +3.3V
DL1911Mk02.ino
// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - PIR Motion - Mk11
// 11-02
// DL1911Mk02p.ino 11-11
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// Adalogger FeatherWing - RTC + SD
// EEPROM
// RHT03 Humidity and Temperature Sensor
// Rocker Switches
// GPS Receiver
// EMF Meter (Single Axis)
// Lithium Ion Battery - 2.5Ah
// PIR Motion
// Pololu Adjustable Boost Regulator 2.5-9.5V
// LED Green 1
// include Library Code
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and Time
#include "RTClib.h"
// EEPROM library to read EEPROM with unique ID for unit
#include "EEPROM.h"
// RHT Humidity and Temperature Sensor
#include <SparkFun_RHT03.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// GPS Receiver
#include <TinyGPS++.h>
#include <HardwareSerial.h>
// SHARP Memory Display
// any pins can be used
#define SHARP_SCK 13
#define SHARP_MOSI 12
#define SHARP_SS 27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices!
#define BLACK 0
#define WHITE 1
int minorHalfSize; // 1/2 of lesser of display width or height
// LED Green
int iLEDGreen = 21; // LED Green
// PCF8523 Precision RTC
RTC_PCF8523 rtc;
String dateRTC = "";
String timeRTC = "";
// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 17; // RHT03 data pin Digital 17
RHT03 rht; // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;
// SD Card
const int chipSelect = 33; // SD Card
String zzzzzz = "";
// Rocker Switches
int iRow1 = 16; // Rocker Switches Digital 16
int iRow1State = 0; // Variable for reading the pushbutton status
// ESP32 HardwareSerial
HardwareSerial tGPS(2);
// GPS Receiver
#define gpsRXPIN 4
#define gpsTXPIN 36 // This one is unused and doesnt have a conection
// The TinyGPS++ object
TinyGPSPlus gps;
float TargetLat;
float TargetLon;
int Status = 0;
// EMF Meter (Single Axis)
#define NUMREADINGS 15 // Raise this number to increase data smoothing
int senseLimit = 15; // Raise this number to decrease sensitivity (up to 1023 max)
int val = 0; // Val
int iEMF = A0; // EMF Meter
int readings[ NUMREADINGS ]; // Readings from the analog input
int ind = 0; // Index of the current reading
int total = 0; // Running total
int average = 0; // Final average of the probe reading
int iEMFDis = 0;
int iEMFRect = 0;
// LiPo Battery
const int bat = A13; // LiPo Battery
uint16_t vbat = 0;
int iBat = 0;
// PIR Motion
const int iMotion = 32; // Motion detector
const int iLEDGreen1 = 14; // LED Green 1
int proximity = LOW; // Proximity
String Det = "";
// The current address in the EEPROM (i.e. which byte
// we're going to read to next)
#define EEPROM_SIZE 64
String sver = "11-2.p";
// Unit ID information
String uid = "";
void loop() {
// Receives NEMA data from GPS receiver
// This sketch displays information every time a new sentence is correctly encoded.
while ( tGPS.available() > 0)
if (gps.encode( tGPS.read() ))
{
displayInfo();
}
if (millis() > 5000 && gps.charsProcessed() < 10)
{
while(true);
}
// Date and Time
isRTC();
// RHT03 Humidity and Temperature Sensor
isRHT03();
// SHARP Memory Display On
isDisplayOn();
// Rocker Switched
// Read the state of the iRow1 value
iRow1State = digitalRead(iRow1);
// EMF Meter (Single Axis)
isEMF();
// LiPo Battery
isBattery();
// isPIR Motion
isPIR();
// Check if the pushbutton is pressed. If it is, the buttonState is HIGH:
if (iRow1State == HIGH) {
// iLEDGreen
digitalWrite(iLEDGreen, HIGH );
// SD Card
isSD();
} else {
// iLEDGreen
digitalWrite(iLEDGreen, LOW );
}
// Delay
delay( 1000 );
}
getBattery.ino
// LiPo Battery
void isBattery() {
// Battery
vbat = analogRead(bat);
vbat = vbat / 2;
iBat = map( vbat, 1, 1064, 1, 100);
}
getDisplay.ino
// SHARP Memory Display On
void isDisplayOn() {
// Clear Display
display.clearDisplay();
// Text display date, time, LED on, Etc...
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
// Date
display.setCursor(0,1);
display.println( dateRTC );
// Time
display.setCursor(0,17);
display.println( timeRTC );
// Longitude
display.setCursor(0,35);
display.print("Lon: ");
display.println( TargetLon );
// Latitude
display.setCursor(0,55);
display.print("Lat: ");
display.println( TargetLat );
// Humidity
display.setCursor(0,74);
display.print("Hum: ");
display.print( latestHumidity );
display.println("%");
// Temp C
display.setCursor(0,94);
display.print("Cel: ");
display.print( latestTempC );
display.println("*C");
// EMF Meter
display.setCursor(0,114);
display.print("EMF: ");
display.println( iEMFDis );
// Battery
display.setCursor(0,134);
display.print("Bat: ");
display.print( iBat );
display.println( "%" );
// PIR Motion
display.println( Det );
display.setCursor(0,154);
// Refresh
display.refresh();
}
// SHARP Memory Display - UID
void isDisplayUID() {
// Clear Display
display.clearDisplay();
// text display EEPROM
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
// EEPROM with Unique ID
display.setCursor(0,20);
display.print( "UID: " );
display.println( uid );
// Version
display.setCursor(0,45);
display.print( "VER: ");
display.println( sver );
// Refresh
display.refresh();
delay( 100 );
}
getEEPROM.ino
// EEPROM
void GetUID()
{
// Get unit ID
uid = "";
for (int x = 0; x < 5; x++)
{
uid = uid + char(EEPROM.read(x));
}
}
getEMF.ino
// EMF Meter (Single Axis)
// setupEMF
void setupEMF() {
// EMF Meter (Single Axis)
pinMode( iEMF, OUTPUT ); // EMF Meter
for (int i = 0; i < NUMREADINGS; i++){
readings[ i ] = 0; // Initialize all the readings to 0
}
}
// isEMF
void isEMF(){
// Probe
val = analogRead( iEMF ); // Take a reading from the probe
if( val >= 1 ){ // If the reading isn't zero, proceed
val = constrain( val, 1, senseLimit ); // Turn any reading higher than the senseLimit value into the senseLimit value
val = map( val, 1, senseLimit, 1, 1023 ); // Remap the constrained value within a 1 to 1023 range
total -= readings[ ind ]; // Subtract the last reading
readings[ ind ] = val; // Read from the sensor
total += readings[ ind ]; // Add the reading to the total
ind = ( ind + 1 ); // Advance to the next index
if ( ind >= NUMREADINGS ) { // If we're at the end of the array...
ind = 0; // ...wrap around to the beginning
}
average = total / NUMREADINGS; // Calculate the average
// average = val;
}
else
{
iEMFRect = 0;
val = 0;
average = 0;
}
iEMFDis = average;
iEMFRect = map( average, 1, 1023, 1, 144 );
}
getGPS.ino
// GPS Receiver
void setupGPS() {
// Setup GPS
tGPS.begin( 9600 , SERIAL_8N1, gpsRXPIN, gpsTXPIN );
}
// GPS Vector Pointer Target
void displayInfo()
{
// Location
if (gps.location.isValid())
{
TargetLat = gps.location.lat();
TargetLon = gps.location.lng();
Status = 2;
}
else
{
Status = 0;
}
}
getPIR.ino
// PIR Motion
void setupPIR() {
// Setup PIR Montion
pinMode(iMotion, INPUT_PULLUP);
pinMode(iLEDGreen1, OUTPUT);
}
// isPIR Motion
void isPIR() {
// Proximity
proximity = digitalRead(iMotion);
if (proximity == LOW)
{
// PIR Motion Sensor's LOW, Motion is detected
// LED Green 1 - HIGH
digitalWrite(iLEDGreen1, HIGH);
Det = "Motion!";
}
else
{
// PIR Motion Sensor's HIGH
// LED Green 1 - LOW
digitalWrite(iLEDGreen1, LOW);
Det = "****";
}
}
getRHT.ino
// RHT03 Humidity and Temperature Sensor
void isRHT03(){
// Call rht.update() to get new humidity and temperature values from the sensor.
int updateRet = rht.update();
// The humidity(), tempC(), and tempF() functions can be called -- after
// a successful update() -- to get the last humidity and temperature value
latestHumidity = rht.humidity();
latestTempC = rht.tempC();
latestTempF = rht.tempF();
}
getRTCpcf8523.ino
// PCF8523 Precision RTC
void setupRTC() {
// pcf8523 Precision RTC
if (! rtc.begin()) {
while (1);
}
if (! rtc.initialized()) {
// Following line sets the RTC to the date & time this sketch was compiled
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
// This line sets the RTC with an explicit date & time, for example to set
// January 21, 2014 at 3am you would call:
// rtc.adjust(DateTime(2018, 9, 29, 12, 17, 0));
}
}
// Date and Time RTC
void isRTC () {
// Date and Time
DateTime now = rtc.now();
// Date
dateRTC = now.year(), DEC;
dateRTC = dateRTC + "/";
dateRTC = dateRTC + now.month(), DEC;
dateRTC = dateRTC + "/";
dateRTC = dateRTC + now.day(), DEC;
// Time
timeRTC = now.hour(), DEC;
timeRTC = timeRTC + ":";
timeRTC = timeRTC + now.minute(), DEC;
timeRTC = timeRTC + ":";
timeRTC = timeRTC + now.second(), DEC;
}
getSD.ino
// SD Card
void setupSD() {
// SD Card
pinMode( chipSelect , OUTPUT );
if(!SD.begin( chipSelect )){
;
return;
}
uint8_t cardType = SD.cardType();
if(cardType == CARD_NONE){
;
return;
}
//Serial.print("SD Card Type: ");
if(cardType == CARD_MMC){
;
} else if(cardType == CARD_SD){
;
} else if(cardType == CARD_SDHC){
;
} else {
;
}
uint64_t cardSize = SD.cardSize() / (1024 * 1024);
}
// SD Card
void isSD() {
zzzzzz = "";
zzzzzz = uid + "|" + sver + "|" + dateRTC + "|" + timeRTC + "|" + Status + "|" + TargetLon + "|" + TargetLat + "|" + latestHumidity + "|" + latestTempC + "|" + latestTempF + "|" + average + "|" + iBat + "|" + Det + "|\r";
char msg[zzzzzz.length() + 1];
zzzzzz.toCharArray(msg, zzzzzz.length() + 1);
appendFile(SD, "/espdata.txt", msg );
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
dirname;
File root = fs.open(dirname);
if(!root){
return;
}
if(!root.isDirectory()){
return;
}
File file = root.openNextFile();
while(file){
if(file.isDirectory()){
file.name();
if(levels){
listDir(fs, file.name(), levels -1);
}
} else {
file.name();
file.size();
}
file = root.openNextFile();
}
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
path;
File file = fs.open(path, FILE_WRITE);
if(!file){
return;
}
if(file.print(message)){
;
} else {
;
}
file.close();
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
//Serial.printf("Appending to file: %s\n", path);
path;
File file = fs.open(path, FILE_APPEND);
if(!file){
return;
}
if(file.print(message)){
;
} else {
;
}
file.close();
}
setup.ino
// Setup
void setup() {
// EEPROM with Unique ID
EEPROM.begin(EEPROM_SIZE);
// Get Unit ID
GetUID();
// GPS Receiver
// Setup GPS
setupGPS();
// SHARP Display start & clear the display
display.begin();
display.clearDisplay();
isDisplayUID();
delay( 5000 );
// Initialize the LED Green
pinMode(iLEDGreen, OUTPUT);
// PCF8523 Precision RTC
setupRTC();
// Date and Time RTC
isRTC();
// RHT03 Humidity and Temperature Sensor
// Call rht.begin() to initialize the sensor and our data pin
rht.begin(RHT03_DATA_PIN);
// SD Card
setupSD();
// Rocker Switches
pinMode(iRow1, INPUT);
// EMF Meter (Single Axis)
setupEMF();
// PIR Motion
setupPIR();
}
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Project #11: ESP32 Feather – LiPo 2.5Ah – Mk10
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Lithium Ion Battery – 2.5Ah
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 2500mAh. Comes terminated with a standard 2-pin JST-PH connector – 2mm spacing between pins. These batteries require special charging. Do not attempt to charge these with anything but a specialized Lithium Polymer charger.
DL1911Mk01
1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit Adalogger FeatherWing – RTC + SD
1 x CR1220 12mm Lithium Battery
1 x 8Gb Micro SD Card
1 x RHT03 Humidity and Temperature Sensor
1 x GPS Receiver GP-20U
1 x LED Green
1 x Rocker Switches
1 x 100 Ohm
1 x 10K Ohm
1 x 3.3M Ohm
1 x Antenna
1 x Lithium Ion Battery – 2.5Ah
14 x Jumper Wires 3″ M/M
6 x Jumper Wires 6″ M/M
2 x Wire
1 x Full-Size Breadboard
1 x Breadboard
1 x SparkFun Cerberus USB Cable
Adafruit HUZZAH32 ESP32 Feather
LG1 – Digital 21
RO1 – Digital 16
RHT – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
SD1 – Digital 33
SC2 – Digital 5
MO2 – Digital 18
MI2 – Digital 19
GPS – Digital 4
EMF – Analog A0
BAT – Analog A13
GND – GND
VIN – +3.3V
DL1911Mk01.ino
// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - LiPo 2.5Ah - Mk10
// 11-01
// DL1911Mk01p.ino 11-10
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// Adalogger FeatherWing - RTC + SD
// EEPROM
// RHT03 Humidity and Temperature Sensor
// Rocker Switches
// GPS Receiver
// EMF Meter (Single Axis)
// Lithium Ion Battery - 2.5Ah
// include Library Code
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and Time
#include "RTClib.h"
// EEPROM library to read EEPROM with unique ID for unit
#include "EEPROM.h"
// RHT Humidity and Temperature Sensor
#include <SparkFun_RHT03.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// GPS Receiver
#include <TinyGPS++.h>
#include <HardwareSerial.h>
// SHARP Memory Display
// any pins can be used
#define SHARP_SCK 13
#define SHARP_MOSI 12
#define SHARP_SS 27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices!
#define BLACK 0
#define WHITE 1
int minorHalfSize; // 1/2 of lesser of display width or height
// LED Green
int iLEDGreen = 21; // LED Green
// PCF8523 Precision RTC
RTC_PCF8523 rtc;
String dateRTC = "";
String timeRTC = "";
// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 17; // RHT03 data pin Digital 17
RHT03 rht; // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;
// SD Card
const int chipSelect = 33; // SD Card
String zzzzzz = "";
// Rocker Switches
int iRow1 = 16; // Rocker Switches Digital 16
int iRow1State = 0; // Variable for reading the pushbutton status
// ESP32 HardwareSerial
HardwareSerial tGPS(2);
// GPS Receiver
#define gpsRXPIN 4
#define gpsTXPIN 36 // This one is unused and doesnt have a conection
// The TinyGPS++ object
TinyGPSPlus gps;
float TargetLat;
float TargetLon;
int Status = 0;
// EMF Meter (Single Axis)
#define NUMREADINGS 15 // Raise this number to increase data smoothing
int senseLimit = 15; // Raise this number to decrease sensitivity (up to 1023 max)
int val = 0; // Val
int iEMF = A0; // EMF Meter
int readings[ NUMREADINGS ]; // Readings from the analog input
int ind = 0; // Index of the current reading
int total = 0; // Running total
int average = 0; // Final average of the probe reading
int iEMFDis = 0;
int iEMFRect = 0;
// LiPo Battery
const int bat = A13; // LiPo Battery
uint16_t vbat = 0;
int iBat = 0;
// The current address in the EEPROM (i.e. which byte
// we're going to read to next)
#define EEPROM_SIZE 64
String sver = "11-1.p";
// Unit ID information
String uid = "";
void loop() {
// Receives NEMA data from GPS receiver
// This sketch displays information every time a new sentence is correctly encoded.
while ( tGPS.available() > 0)
if (gps.encode( tGPS.read() ))
{
displayInfo();
}
if (millis() > 5000 && gps.charsProcessed() < 10)
{
while(true);
}
// Date and Time
isRTC();
// RHT03 Humidity and Temperature Sensor
isRHT03();
// SHARP Memory Display On
isDisplayOn();
// Rocker Switched
// Read the state of the iRow1 value
iRow1State = digitalRead(iRow1);
// EMF Meter (Single Axis)
isEMF();
// LiPo Battery
isBattery();
// Check if the pushbutton is pressed. If it is, the buttonState is HIGH:
if (iRow1State == HIGH) {
// iLEDGreen
digitalWrite(iLEDGreen, HIGH );
// SD Card
isSD();
} else {
// iLEDGreen
digitalWrite(iLEDGreen, LOW );
}
// Delay
delay( 1000 );
}
getBattery.ino
// LiPo Battery
void isBattery() {
// Battery
vbat = analogRead(bat);
vbat = vbat / 2;
iBat = map( vbat, 1, 1064, 1, 100);
}
getDisplay.ino
// SHARP Memory Display On
void isDisplayOn() {
// Clear Display
display.clearDisplay();
// text display date, time, LED on
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
display.setCursor(0,1);
display.println( dateRTC );
display.setCursor(0,17);
display.println( timeRTC );
display.setCursor(0,35);
display.print("Lon: ");
display.println( TargetLon );
display.setCursor(0,55);
display.print("Lat: ");
display.println( TargetLat );
display.setCursor(0,74);
display.print("Hum: ");
display.print( latestHumidity );
display.println("%");
display.setCursor(0,94);
display.print("Cel: ");
display.print( latestTempC );
display.println("*C");
display.setCursor(0,114);
display.print("EMF: ");
display.println( iEMFDis );
display.setCursor(0,134);
display.print("Bat: ");
display.print( iBat );
display.println( "%" );
display.refresh();
}
// SHARP Memory Display - UID
void isDisplayUID() {
// text display EEPROM
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
display.setCursor(0,20);
display.print( "UID: " );
display.println( uid );
// display.setTextSize();
display.setTextColor(BLACK);
display.setCursor(0,45);
display.print( "VER: ");
display.println( sver );
display.refresh();
delay( 100 );
}
getEEPROM.ino
// EEPROM
void GetUID()
{
// Get unit ID
uid = "";
for (int x = 0; x < 5; x++)
{
uid = uid + char(EEPROM.read(x));
}
}
getEMF.ino
// EMF Meter (Single Axis)
// setupEMF
void setupEMF() {
// EMF Meter (Single Axis)
pinMode( iEMF, OUTPUT ); // EMF Meter
for (int i = 0; i < NUMREADINGS; i++){
readings[ i ] = 0; // Initialize all the readings to 0
}
}
// isEMF
void isEMF(){
// Probe
val = analogRead( iEMF ); // Take a reading from the probe
if( val >= 1 ){ // If the reading isn't zero, proceed
val = constrain( val, 1, senseLimit ); // Turn any reading higher than the senseLimit value into the senseLimit value
val = map( val, 1, senseLimit, 1, 1023 ); // Remap the constrained value within a 1 to 1023 range
total -= readings[ ind ]; // Subtract the last reading
readings[ ind ] = val; // Read from the sensor
total += readings[ ind ]; // Add the reading to the total
ind = ( ind + 1 ); // Advance to the next index
if ( ind >= NUMREADINGS ) { // If we're at the end of the array...
ind = 0; // ...wrap around to the beginning
}
average = total / NUMREADINGS; // Calculate the average
// average = val;
}
else
{
iEMFRect = 0;
val = 0;
average = 0;
}
iEMFDis = average;
iEMFRect = map( average, 1, 1023, 1, 144 );
}
getGPS.ino
// GPS Receiver
void setupGPS() {
// Setup GPS
tGPS.begin( 9600 , SERIAL_8N1, gpsRXPIN, gpsTXPIN );
}
// GPS Vector Pointer Target
void displayInfo()
{
// Location
if (gps.location.isValid())
{
TargetLat = gps.location.lat();
TargetLon = gps.location.lng();
Status = 2;
}
else
{
Status = 0;
}
}
getRHT.ino
// RHT03 Humidity and Temperature Sensor
void isRHT03(){
// Call rht.update() to get new humidity and temperature values from the sensor.
int updateRet = rht.update();
// The humidity(), tempC(), and tempF() functions can be called -- after
// a successful update() -- to get the last humidity and temperature value
latestHumidity = rht.humidity();
latestTempC = rht.tempC();
latestTempF = rht.tempF();
}
getRTCpcf8523.ino
// PCF8523 Precision RTC
void setupRTC() {
// pcf8523 Precision RTC
if (! rtc.begin()) {
while (1);
}
if (! rtc.initialized()) {
// Following line sets the RTC to the date & time this sketch was compiled
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
// This line sets the RTC with an explicit date & time, for example to set
// January 21, 2014 at 3am you would call:
// rtc.adjust(DateTime(2018, 9, 29, 12, 17, 0));
}
}
// Date and Time RTC
void isRTC () {
// Date and Time
DateTime now = rtc.now();
// Date
dateRTC = now.year(), DEC;
dateRTC = dateRTC + "/";
dateRTC = dateRTC + now.month(), DEC;
dateRTC = dateRTC + "/";
dateRTC = dateRTC + now.day(), DEC;
// Time
timeRTC = now.hour(), DEC;
timeRTC = timeRTC + ":";
timeRTC = timeRTC + now.minute(), DEC;
timeRTC = timeRTC + ":";
timeRTC = timeRTC + now.second(), DEC;
}
getSD.ino
// SD Card
void setupSD() {
// SD Card
pinMode( chipSelect , OUTPUT );
if(!SD.begin( chipSelect )){
;
return;
}
uint8_t cardType = SD.cardType();
if(cardType == CARD_NONE){
;
return;
}
//Serial.print("SD Card Type: ");
if(cardType == CARD_MMC){
;
} else if(cardType == CARD_SD){
;
} else if(cardType == CARD_SDHC){
;
} else {
;
}
uint64_t cardSize = SD.cardSize() / (1024 * 1024);
}
// SD Card
void isSD() {
zzzzzz = "";
zzzzzz = uid + "|" + sver + "|" + dateRTC + "|" + timeRTC + "|" + Status + "|" + TargetLon + "|" + TargetLat + "|" + latestHumidity + "|" + latestTempC + "|" + latestTempF + "|" + average + "|\r";
char msg[zzzzzz.length() + 1];
zzzzzz.toCharArray(msg, zzzzzz.length() + 1);
appendFile(SD, "/espdata.txt", msg );
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
dirname;
File root = fs.open(dirname);
if(!root){
return;
}
if(!root.isDirectory()){
return;
}
File file = root.openNextFile();
while(file){
if(file.isDirectory()){
file.name();
if(levels){
listDir(fs, file.name(), levels -1);
}
} else {
file.name();
file.size();
}
file = root.openNextFile();
}
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
path;
File file = fs.open(path, FILE_WRITE);
if(!file){
return;
}
if(file.print(message)){
;
} else {
;
}
file.close();
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
//Serial.printf("Appending to file: %s\n", path);
path;
File file = fs.open(path, FILE_APPEND);
if(!file){
return;
}
if(file.print(message)){
;
} else {
;
}
file.close();
}
setup.ino
// Setup
void setup() {
// EEPROM with unique ID
EEPROM.begin(EEPROM_SIZE);
// Get Unit ID
GetUID();
// GPS Receiver
// Setup GPS
setupGPS();
// SHARP Display start & clear the display
display.begin();
display.clearDisplay();
isDisplayUID();
delay( 5000 );
// Initialize the LED Green
pinMode(iLEDGreen, OUTPUT);
// PCF8523 Precision RTC
setupRTC();
// Date and Time RTC
isRTC();
// RHT03 Humidity and Temperature Sensor
// Call rht.begin() to initialize the sensor and our data pin
rht.begin(RHT03_DATA_PIN);
// SD Card
setupSD();
// Rocker Switches
pinMode(iRow1, INPUT);
// EMF Meter (Single Axis)
setupEMF();
}
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Don Luc
Project #11: ESP32 Feather – ADXL335 – Mk08
ESP32 Feather – ADXL335
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ADXL335 Triple Axis Accelerometer
Breakout board for the 3 axis ADXL335 from Analog Devices. This is the latest in a long, proven line of analog sensors – the holy grail of accelerometers. The ADXL335 is a triple axis MEMS accelerometer with extremely low noise and power consumption – only 320uA! The sensor has a full sensing range of +/-3g.
DonLuc1909Mk05
1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit Adalogger FeatherWing – RTC + SD
1 x CR1220 12mm Lithium Battery
1 x 8Gb Micro SD Card
1 x RHT03 Humidity and Temperature Sensor
1 x GPS Receiver GP-20U
1 x ADXL335 Triple Axis Accelerometer
1 x LED Green
1 x Rocker Switches
1 x 100 Ohm
1 x 10K Ohm
14 x Jumper Wires 3″ M/M
6 x Jumper Wires 6″ M/M
5 x Wire
1 x Full-Size Breadboard
1 x Breadboard
1 x SparkFun Cerberus USB Cable
Adafruit HUZZAH32 ESP32 Feather
LG1 – Digital 21
RO1 – Digital 16
RHT – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
SD1 – Digital 33
SC2 – Digital 5
MO2 – Digital 18
MI2 – Digital 19
GPS – Digital 4
ACX – Analog A8
ACY – Analog A7
ACZ – Analog A6
GND – GND
VIN – +3.3V
DL1909Mk05.ino
// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - ADXL335 - Mk08
// 09-05
// DL1909Mk05p.ino 11-08
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// Adalogger FeatherWing - RTC + SD
// EEPROM
// RHT03 Humidity and Temperature Sensor
// Rocker Switches
// GPS Receiver
// ADXL335 Triple Axis Accelerometer
// include Library Code
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and Time
#include "RTClib.h"
// EEPROM library to read EEPROM with unique ID for unit
#include "EEPROM.h"
// RHT Humidity and Temperature Sensor
#include <SparkFun_RHT03.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// GPS Receiver
#include <TinyGPS++.h>
#include <HardwareSerial.h>
// ADXL335 Triple Axis Accelerometer
#include <ADXL335.h>
// SHARP Memory Display
// any pins can be used
#define SHARP_SCK 13
#define SHARP_MOSI 12
#define SHARP_SS 27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices!
#define BLACK 0
#define WHITE 1
int minorHalfSize; // 1/2 of lesser of display width or height
// LED Green
int iLEDGreen = 21; // LED Green
// PCF8523 Precision RTC
RTC_PCF8523 rtc;
String dateRTC = "";
String timeRTC = "";
// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 17; // RHT03 data pin Digital 17
RHT03 rht; // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;
// SD Card
const int chipSelect = 33; // SD Card
String zzzzzz = "";
// Rocker Switches
int iRow1 = 16; // Rocker Switches Digital 16
int iRow1State = 0; // Variable for reading the pushbutton status
// ESP32 HardwareSerial
HardwareSerial tGPS(2);
// GPS Receiver
#define gpsRXPIN 4
#define gpsTXPIN 36 // This one is unused and doesnt have a conection
// The TinyGPS++ object
TinyGPSPlus gps;
float TargetLat;
float TargetLon;
int Status = 0;
// ADXL335 Triple Axis Accelerometer
const int pin_x = A8;
const int pin_y = A7;
const int pin_z = A6;
const float aref = 3.3;
ADXL335 accel(pin_x, pin_y, pin_z, aref);
String latestX = "";
String latestY = "";
String latestZ = "";
// The current address in the EEPROM (i.e. which byte
// we're going to read to next)
#define EEPROM_SIZE 64
String sver = "9-5.p";
// Unit ID information
String uid = "";
void loop() {
// Receives NEMA data from GPS receiver
// This sketch displays information every time a new sentence is correctly encoded.
while ( tGPS.available() > 0)
if (gps.encode( tGPS.read() ))
{
displayInfo();
}
if (millis() > 5000 && gps.charsProcessed() < 10)
{
while(true);
}
// Date and Time
isRTC();
// RHT03 Humidity and Temperature Sensor
isRHT03();
// SHARP Memory Display On
isDisplayOn();
// Rocker Switched
// Read the state of the iRow1 value
iRow1State = digitalRead(iRow1);
// ADXL335 Triple Axis Accelerometer
getADXL335();
// Check if the pushbutton is pressed. If it is, the buttonState is HIGH:
if (iRow1State == HIGH) {
// iLEDGreen
digitalWrite(iLEDGreen, HIGH );
// SD Card
isSD();
} else {
// iLEDGreen
digitalWrite(iLEDGreen, LOW );
}
// Delay
delay( 1000 );
}
getADXL335.ino
// ADXL335 Triple Axis Accelerometer
void getADXL335()
{
// This is required to update the values
accel.update();
// This tells us how long the string is
int string_width;
float x;
float y;
float z;
x = accel.getX();
y = accel.getY();
// If the project is laying flat and top up the z axis reads ~1G
z = accel.getZ();
latestX = formatFloat(x, 2, &string_width);
latestY = formatFloat(y, 2, &string_width);
latestZ = formatFloat(z, 2, &string_width);
}
// Format float library
String formatFloat(double value, int places, int* string_width)
{
// If value is positive infinity
if (isinf(value) > 0)
{
return "+Inf";
}
// Arduino does not seem to have negative infinity
// keeping this code block for reference
// if value is negative infinity
if(isinf(value) < 0)
{
return "-Inf";
}
// If value is not a number
if(isnan(value) > 0)
{
return "NaN";
}
// Always include a space for the dot
int num_width = 1;
// If the number of decimal places is less than 1
if (places < 1)
{
// Set places to 1
places = 1;
// And truncate the value
value = (float)((int)value);
}
// Add the places to the right of the decimal
num_width += places;
// If the value does not contain an integral part
if (value < 1.0 && value > -1.0)
{
// Add one for the integral zero
num_width++;
}
else
{
// Get the integral part and get the number of places to the left of decimal
num_width += ((int)log10(abs(value))) + 1;
}
// If the value in less than 0
if (value < 0.0)
{
// Add a space for the minus sign
num_width++;
}
// Make a string the size of the number plus 1 for string terminator
char s[num_width + 1];
// Put the string terminator at the end
s[num_width] = '\0';
// Initalize the array to all zeros
for (int i = 0; i < num_width; i++)
{
s[i] = '0';
}
// Characters that are not changed by the function below will be zeros
// set the out variable string width lets the caller know what we came up with
*string_width = num_width;
// Use the avr-libc function dtosrtf to format the value
return String(dtostrf(value,num_width,places,s));
}
getDisplay.ino
// SHARP Memory Display On
void isDisplayOn() {
// Clear Display
display.clearDisplay();
// text display date, time, LED on
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
display.setCursor(0,1);
display.println( dateRTC );
display.setCursor(0,17);
display.println( timeRTC );
//display.setTextSize(2);
display.setCursor(0,35);
display.print("Lon: ");
display.println( TargetLon );
display.setCursor(0,55);
display.print("Lat: ");
display.println( TargetLat );
display.setCursor(0,74);
display.print("Hum: ");
display.print( latestHumidity );
display.println("%");
display.setCursor(0,94);
display.print("Cel: ");
display.print( latestTempC );
display.println("*C");
display.setCursor(0,114);
display.print("X: ");
display.println( latestX );
display.setCursor(0,134);
display.print("Y: ");
display.println( latestY );
display.setCursor(0,154);
display.print("Z: ");
display.println( latestZ );
display.refresh();
}
// SHARP Memory Display - UID
void isDisplayUID() {
// text display EEPROM
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
display.setCursor(0,20);
display.print( "UID: " );
display.println( uid );
// display.setTextSize();
display.setTextColor(BLACK);
display.setCursor(0,45);
display.print( "VER: ");
display.println( sver );
display.refresh();
delay( 100 );
}
getEEPROM.ino
// EEPROM
void GetUID()
{
// Get unit ID
uid = "";
for (int x = 0; x < 5; x++)
{
uid = uid + char(EEPROM.read(x));
}
}
getGPS.ino
// GPS Receiver
void setupGPS() {
// Setup GPS
tGPS.begin( 9600 , SERIAL_8N1, gpsRXPIN, gpsTXPIN );
}
// GPS Vector Pointer Target
void displayInfo()
{
// Location
if (gps.location.isValid())
{
TargetLat = gps.location.lat();
TargetLon = gps.location.lng();
Status = 2;
}
else
{
Status = 0;
}
}
getRHT.ino
// RHT03 Humidity and Temperature Sensor
void isRHT03(){
// Call rht.update() to get new humidity and temperature values from the sensor.
int updateRet = rht.update();
// The humidity(), tempC(), and tempF() functions can be called -- after
// a successful update() -- to get the last humidity and temperature value
latestHumidity = rht.humidity();
latestTempC = rht.tempC();
latestTempF = rht.tempF();
}
getRTCpcf8523.ino
// PCF8523 Precision RTC
void setupRTC() {
// pcf8523 Precision RTC
if (! rtc.begin()) {
while (1);
}
if (! rtc.initialized()) {
// Following line sets the RTC to the date & time this sketch was compiled
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
// This line sets the RTC with an explicit date & time, for example to set
// January 21, 2014 at 3am you would call:
// rtc.adjust(DateTime(2018, 9, 29, 12, 17, 0));
}
}
// Date and Time RTC
void isRTC () {
// Date and Time
DateTime now = rtc.now();
// Date
dateRTC = now.year(), DEC;
dateRTC = dateRTC + "/";
dateRTC = dateRTC + now.month(), DEC;
dateRTC = dateRTC + "/";
dateRTC = dateRTC + now.day(), DEC;
// Time
timeRTC = now.hour(), DEC;
timeRTC = timeRTC + ":";
timeRTC = timeRTC + now.minute(), DEC;
timeRTC = timeRTC + ":";
timeRTC = timeRTC + now.second(), DEC;
}
getSD.ino
// SD Card
void setupSD() {
// SD Card
pinMode( chipSelect , OUTPUT );
if(!SD.begin( chipSelect )){
;
return;
}
uint8_t cardType = SD.cardType();
if(cardType == CARD_NONE){
;
return;
}
//Serial.print("SD Card Type: ");
if(cardType == CARD_MMC){
;
} else if(cardType == CARD_SD){
;
} else if(cardType == CARD_SDHC){
;
} else {
;
}
uint64_t cardSize = SD.cardSize() / (1024 * 1024);
}
// SD Card
void isSD() {
zzzzzz = "";
zzzzzz = uid + "|" + sver + "|" + dateRTC + "|" + timeRTC + "|" + Status + "|" + TargetLon + "|" + TargetLat + "|" + latestHumidity + "|" + latestTempC + "|" + latestTempF + "|" + latestX + "|" + latestY + "|" + latestZ + "|\r";
char msg[zzzzzz.length() + 1];
zzzzzz.toCharArray(msg, zzzzzz.length() + 1);
appendFile(SD, "/espdata.txt", msg );
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
dirname;
File root = fs.open(dirname);
if(!root){
return;
}
if(!root.isDirectory()){
return;
}
File file = root.openNextFile();
while(file){
if(file.isDirectory()){
file.name();
if(levels){
listDir(fs, file.name(), levels -1);
}
} else {
file.name();
file.size();
}
file = root.openNextFile();
}
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
path;
File file = fs.open(path, FILE_WRITE);
if(!file){
return;
}
if(file.print(message)){
;
} else {
;
}
file.close();
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
//Serial.printf("Appending to file: %s\n", path);
path;
File file = fs.open(path, FILE_APPEND);
if(!file){
return;
}
if(file.print(message)){
;
} else {
;
}
file.close();
}
setup.ino
// Setup
void setup() {
// EEPROM with unique ID
EEPROM.begin(EEPROM_SIZE);
// Get Unit ID
GetUID();
// GPS Receiver
// Setup GPS
setupGPS();
// SHARP Display start & clear the display
display.begin();
display.clearDisplay();
isDisplayUID();
delay( 5000 );
// Initialize the LED Green
pinMode(iLEDGreen, OUTPUT);
// PCF8523 Precision RTC
setupRTC();
// Date and Time RTC
isRTC();
// RHT03 Humidity and Temperature Sensor
// Call rht.begin() to initialize the sensor and our data pin
rht.begin(RHT03_DATA_PIN);
// SD Card
setupSD();
// Rocker Switches
pinMode(iRow1, INPUT);
}
Follow Us
Web: https://www.donluc.com/
Web: http://neosteamlabs.com/
Web: http://www.jlpconsultants.com/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Facebook: https://www.facebook.com/neosteam.labs.9/
Instagram: https://www.instagram.com/neosteamlabs/
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Twitter: https://twitter.com/labs_steam
Etsy: https://www.etsy.com/shop/NeoSteamLabs
Don Luc
Project #11: ESP32 Feather – GPS Receiver – Mk07
ESP32 Feather – GPS Receiver
——
——
——
——
——
——
Global Positioning System
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force. It is a global navigation satellite system that provides geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. Obstacles such as mountains and buildings block the relatively weak GPS signals.
The GPS does not require the user to transmit any data, and it operates independently of any telephonic or internet reception, though these technologies can enhance the usefulness of the GPS positioning information. The GPS provides critical positioning capabilities to military, civil, and commercial users around the world. The United States government created the system, maintains it, and makes it freely accessible to anyone with a GPS receiver.
DonLuc1909Mk04
1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit Adalogger FeatherWing – RTC + SD
1 x CR1220 12mm Lithium Battery
1 x 8Gb Micro SD Card
1 x RHT03 Humidity and Temperature Sensor
1 x GPS Receiver GP-20U7
1 x LED Green
1 x Rocker Switches
1 x 100 Ohm
1 x 10K Ohm
14 x Jumper Wires 3″ M/M
6 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable
Adafruit HUZZAH32 ESP32 Feather
LG1 – Digital 21
RO1 – Digital 16
RHT – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
SD1 – Digital 33
SC2 – Digital 5
MO2 – Digital 18
MI2 – Digital 19
GPS – Digital 4
GND – GND
VIN – +3.3V
DL1909Mk04.ino
// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - GPS Receiver - Mk07
// 09-04
// DL1909Mk04p.ino 11-07
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// Adalogger FeatherWing - RTC + SD
// EEPROM
// RHT03 Humidity and Temperature Sensor
// Rocker Switches
// GPS Receiver
// include Library Code
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and Time
#include "RTClib.h"
// EEPROM library to read EEPROM with unique ID for unit
#include "EEPROM.h"
// RHT Humidity and Temperature Sensor
#include <SparkFun_RHT03.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// GPS Receiver
#include <TinyGPS++.h>
#include <HardwareSerial.h>
// SHARP Memory Display
// any pins can be used
#define SHARP_SCK 13
#define SHARP_MOSI 12
#define SHARP_SS 27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices!
#define BLACK 0
#define WHITE 1
int minorHalfSize; // 1/2 of lesser of display width or height
// LED Green
int iLEDGreen = 21; // LED Green
// PCF8523 Precision RTC
RTC_PCF8523 rtc;
String dateRTC = "";
String timeRTC = "";
// The current address in the EEPROM (i.e. which byte
// we're going to read to next)
#define EEPROM_SIZE 64
String sver = "9-4.p";
// Unit ID information
String uid = "";
// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 17; // RHT03 data pin Digital 17
RHT03 rht; // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;
// SD Card
const int chipSelect = 33; // SD Card
String zzzzzz = "";
// Rocker Switches
int iRow1 = 16; // Rocker Switches Digital 16
int iRow1State = 0; // Variable for reading the pushbutton status
// ESP32 HardwareSerial
HardwareSerial tGPS(2);
// GPS Receiver
#define gpsRXPIN 4
#define gpsTXPIN 36 // This one is unused and doesnt have a conection
// The TinyGPS++ object
TinyGPSPlus gps;
float TargetLat;
float TargetLon;
int Status = 0;
void loop() {
// Receives NEMA data from GPS receiver
// This sketch displays information every time a new sentence is correctly encoded.
while ( tGPS.available() > 0)
if (gps.encode( tGPS.read() ))
{
displayInfo();
}
if (millis() > 5000 && gps.charsProcessed() < 10)
{
while(true);
}
// Date and Time
isRTC();
// RHT03 Humidity and Temperature Sensor
isRHT03();
// SHARP Memory Display On
isDisplayOn();
// Rocker Switched
// Read the state of the iRow1 value
iRow1State = digitalRead(iRow1);
// Check if the pushbutton is pressed. If it is, the buttonState is HIGH:
if (iRow1State == HIGH) {
// iLEDGreen
digitalWrite(iLEDGreen, HIGH );
// SD Card
isSD();
} else {
// iLEDGreen
digitalWrite(iLEDGreen, LOW );
}
// Delay
delay( 1000 );
}
getDisplay.ino
// SHARP Memory Display On
void isDisplayOn() {
// Clear Display
display.clearDisplay();
// text display date, time, LED on
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
display.setCursor(0,5);
display.print("GPS: ");
display.println( Status );
display.setCursor(0,25);
display.print("LON: ");
display.println( TargetLon );
display.setCursor(0,45);
display.print("LAT: ");
display.println( TargetLat );
display.setCursor(0,65);
display.println( dateRTC );
display.setCursor(0,85);
display.println( timeRTC );
display.setCursor(0,105);
display.print("Hum: ");
display.print( latestHumidity );
display.println("%");
display.setCursor(0,125);
display.print("Cel: ");
display.print( latestTempC );
display.println("*C");
display.setCursor(0,145);
display.print("Fah: ");
display.print( latestTempF );
display.println("*F");
display.refresh();
}
// SHARP Memory Display - UID
void isDisplayUID() {
// text display EEPROM
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
display.setCursor(0,20);
display.print( "UID: " );
display.println( uid );
// display.setTextSize();
display.setTextColor(BLACK);
display.setCursor(0,45);
display.print( "VER: ");
display.println( sver );
display.refresh();
delay( 100 );
}
getEEPROM.ino
// EEPROM
void GetUID()
{
// Get unit ID
uid = "";
for (int x = 0; x < 5; x++)
{
uid = uid + char(EEPROM.read(x));
}
}
getGPS.ino
// GPS Receiver
void setupGPS() {
// Setup GPS
tGPS.begin( 9600 , SERIAL_8N1, gpsRXPIN, gpsTXPIN );
}
// GPS Vector Pointer Target
void displayInfo()
{
// Location
if (gps.location.isValid())
{
TargetLat = gps.location.lat();
TargetLon = gps.location.lng();
Status = 2;
}
else
{
Status = 0;
}
}
getRHT.ino
// RHT03 Humidity and Temperature Sensor
void isRHT03(){
// Call rht.update() to get new humidity and temperature values from the sensor.
int updateRet = rht.update();
// The humidity(), tempC(), and tempF() functions can be called -- after
// a successful update() -- to get the last humidity and temperature value
latestHumidity = rht.humidity();
latestTempC = rht.tempC();
latestTempF = rht.tempF();
}
getRTCpcf8523.ino
// PCF8523 Precision RTC
void setupRTC() {
// pcf8523 Precision RTC
if (! rtc.begin()) {
while (1);
}
if (! rtc.initialized()) {
// Following line sets the RTC to the date & time this sketch was compiled
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
// This line sets the RTC with an explicit date & time, for example to set
// January 21, 2014 at 3am you would call:
// rtc.adjust(DateTime(2018, 9, 29, 12, 17, 0));
}
}
// Date and Time RTC
void isRTC () {
// Date and Time
DateTime now = rtc.now();
// Date
dateRTC = now.year(), DEC;
dateRTC = dateRTC + "/";
dateRTC = dateRTC + now.month(), DEC;
dateRTC = dateRTC + "/";
dateRTC = dateRTC + now.day(), DEC;
// Time
timeRTC = now.hour(), DEC;
timeRTC = timeRTC + ":";
timeRTC = timeRTC + now.minute(), DEC;
timeRTC = timeRTC + ":";
timeRTC = timeRTC + now.second(), DEC;
}
getSD.ino
// SD Card
void setupSD() {
// SD Card
pinMode( chipSelect , OUTPUT );
if(!SD.begin( chipSelect )){
;
return;
}
uint8_t cardType = SD.cardType();
if(cardType == CARD_NONE){
;
return;
}
//Serial.print("SD Card Type: ");
if(cardType == CARD_MMC){
;
} else if(cardType == CARD_SD){
;
} else if(cardType == CARD_SDHC){
;
} else {
;
}
uint64_t cardSize = SD.cardSize() / (1024 * 1024);
}
// SD Card
void isSD() {
zzzzzz = "";
zzzzzz = uid + "|" + sver + "|" + Status + "|" + TargetLon + "|" + TargetLat + "|" + dateRTC + "|" + timeRTC + "|" + latestHumidity + "|" + latestTempC + "|" + latestTempF + "|\r";
char msg[zzzzzz.length() + 1];
zzzzzz.toCharArray(msg, zzzzzz.length() + 1);
appendFile(SD, "/espdata.txt", msg );
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
dirname;
File root = fs.open(dirname);
if(!root){
return;
}
if(!root.isDirectory()){
return;
}
File file = root.openNextFile();
while(file){
if(file.isDirectory()){
file.name();
if(levels){
listDir(fs, file.name(), levels -1);
}
} else {
file.name();
file.size();
}
file = root.openNextFile();
}
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
path;
File file = fs.open(path, FILE_WRITE);
if(!file){
return;
}
if(file.print(message)){
;
} else {
;
}
file.close();
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
//Serial.printf("Appending to file: %s\n", path);
path;
File file = fs.open(path, FILE_APPEND);
if(!file){
return;
}
if(file.print(message)){
;
} else {
;
}
file.close();
}
setup.ino
// Setup
void setup() {
// EEPROM with unique ID
EEPROM.begin(EEPROM_SIZE);
// Get Unit ID
GetUID();
// GPS Receiver
// Setup GPS
setupGPS();
// SHARP Display start & clear the display
display.begin();
display.clearDisplay();
isDisplayUID();
delay( 5000 );
// Initialize the LED Green
pinMode(iLEDGreen, OUTPUT);
// PCF8523 Precision RTC
setupRTC();
// Date and Time RTC
isRTC();
// RHT03 Humidity and Temperature Sensor
// Call rht.begin() to initialize the sensor and our data pin
rht.begin(RHT03_DATA_PIN);
// SD Card
setupSD();
// Rocker Switches
pinMode(iRow1, INPUT);
}
Follow Us
Web: https://www.donluc.com/
Web: http://neosteamlabs.com/
Web: http://www.jlpconsultants.com/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Facebook: https://www.facebook.com/neosteam.labs.9/
Instagram: https://www.instagram.com/neosteamlabs/
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Twitter: https://twitter.com/labs_steam
Etsy: https://www.etsy.com/shop/NeoSteamLabs
Don Luc
Project #11: ESP32 Feather – Rocker Switches – Mk06
ESP32 Feather – Rocker Switches
——
——
——
——
——
——
Rocker Switch – Round
These panel-mounting rocker switches simple SPST on-off. They mount into a 20.2mm diameter hole and are rated up to 16A @ 12v.
DonLuc1909Mk03
1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit Adalogger FeatherWing – RTC + SD
1 x CR1220 12mm Lithium Battery
1 x 8Gb Micro SD Card
1 x RHT03 Humidity and Temperature Sensor
1 x LED Green
1 x Rocker Switches
1 x 100 Ohm
1 x 10K Ohm
14 x Jumper Wires 3″ M/M
6 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable
Adafruit HUZZAH32 ESP32 Feather
LG1 – Digital 21
RO1 – Digital 16
RHT – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
SD1 – Digital 33
SC2 – Digital 5
MO2 – Digital 18
MI2 – Digital 19
GND – GND
VIN – +3.3V
DL1909Mk03.ino
// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - Rocker Switches - Mk06
// 09-03
// DL1909Mk03p.ino 11-06
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// Adalogger FeatherWing - RTC + SD
// EEPROM
// RHT03 Humidity and Temperature Sensor
// Rocker Switches
// include Library Code
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and Time
#include "RTClib.h"
// EEPROM library to read EEPROM with unique ID for unit
#include "EEPROM.h"
// RHT Humidity and Temperature Sensor
#include <SparkFun_RHT03.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// SHARP Memory Display
// any pins can be used
#define SHARP_SCK 13
#define SHARP_MOSI 12
#define SHARP_SS 27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices!
#define BLACK 0
#define WHITE 1
int minorHalfSize; // 1/2 of lesser of display width or height
// LED Green
int iLEDGreen = 21; // LED Green
// PCF8523 Precision RTC
RTC_PCF8523 rtc;
String dateRTC = "";
String timeRTC = "";
// The current address in the EEPROM (i.e. which byte
// we're going to read to next)
#define EEPROM_SIZE 64
String sver = "9-3.p";
// Unit ID information
String uid = "";
// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 17; // RHT03 data pin Digital 17
RHT03 rht; // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;
// SD Card
const int chipSelect = 33; // SD Card
String zzzzzz = "";
// Rocker Switches
int iRow1 = 16; // Rocker Switches
int iRow1State = 0; // Variable for reading the pushbutton status
void loop() {
// Date and Time
isRTC();
// RHT03 Humidity and Temperature Sensor
isRHT03();
// SHARP Memory Display On
isDisplayOn();
// Rocker Switched
// Read the state of the iRow1 value
iRow1State = digitalRead(iRow1);
// check if the pushbutton is pressed. If it is, the buttonState is HIGH:
if (iRow1State == HIGH) {
// iLEDGreen
digitalWrite(iLEDGreen, HIGH );
// SD Card
isSD();
} else {
// iLEDGreen
digitalWrite(iLEDGreen, LOW );
}
// Delay
delay( 1000 );
}
getDisplay.ino
// SHARP Memory Display On
void isDisplayOn() {
// Clear Display
display.clearDisplay();
// text display date, time, LED on
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
display.setCursor(0,10);
display.println( dateRTC );
display.setCursor(0,30);
display.println( timeRTC );
display.setTextSize(2);
display.setCursor(0,55);
display.print("Hum: ");
display.print( latestHumidity );
display.println("%");
display.setCursor(0,75);
display.print("Cel: ");
display.print( latestTempC );
display.println("*C");
display.setCursor(0,95);
display.print("Fah: ");
display.print( latestTempF );
display.println("*F");
display.refresh();
}
// SHARP Memory Display - UID
void isDisplayUID() {
// text display EEPROM
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
display.setCursor(0,20);
display.print( "UID: " );
display.println( uid );
// display.setTextSize();
display.setTextColor(BLACK);
display.setCursor(0,45);
display.print( "VER: ");
display.println( sver );
display.refresh();
delay( 100 );
}
getEEPROM.ino
// EEPROM
void GetUID()
{
// Get unit ID
uid = "";
for (int x = 0; x < 5; x++)
{
uid = uid + char(EEPROM.read(x));
}
}
getRHT.ino
// RHT03 Humidity and Temperature Sensor
void isRHT03(){
// Call rht.update() to get new humidity and temperature values from the sensor.
int updateRet = rht.update();
// The humidity(), tempC(), and tempF() functions can be called -- after
// a successful update() -- to get the last humidity and temperature value
latestHumidity = rht.humidity();
latestTempC = rht.tempC();
latestTempF = rht.tempF();
}
getRTCpcf8523.ino
// PCF8523 Precision RTC
void setupRTC() {
// pcf8523 Precision RTC
if (! rtc.begin()) {
while (1);
}
if (! rtc.initialized()) {
// Following line sets the RTC to the date & time this sketch was compiled
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
// This line sets the RTC with an explicit date & time, for example to set
// January 21, 2014 at 3am you would call:
// rtc.adjust(DateTime(2018, 9, 29, 12, 17, 0));
}
}
// Date and Time RTC
void isRTC () {
// Date and Time
DateTime now = rtc.now();
// Date
dateRTC = now.year(), DEC;
dateRTC = dateRTC + "/";
dateRTC = dateRTC + now.month(), DEC;
dateRTC = dateRTC + "/";
dateRTC = dateRTC + now.day(), DEC;
// Time
timeRTC = now.hour(), DEC;
timeRTC = timeRTC + ":";
timeRTC = timeRTC + now.minute(), DEC;
timeRTC = timeRTC + ":";
timeRTC = timeRTC + now.second(), DEC;
}
getSD.ino
// SD Card
void setupSD() {
// SD Card
pinMode( chipSelect , OUTPUT );
if(!SD.begin( chipSelect )){
;
return;
}
uint8_t cardType = SD.cardType();
if(cardType == CARD_NONE){
;
return;
}
//Serial.print("SD Card Type: ");
if(cardType == CARD_MMC){
;
} else if(cardType == CARD_SD){
;
} else if(cardType == CARD_SDHC){
;
} else {
;
}
uint64_t cardSize = SD.cardSize() / (1024 * 1024);
}
// SD Card
void isSD() {
zzzzzz = "";
zzzzzz = uid + "|" + sver + "|" + dateRTC + "|" + timeRTC + "|" + latestHumidity + "|" + latestTempC + "|" + latestTempF + "|\r";
char msg[zzzzzz.length() + 1];
zzzzzz.toCharArray(msg, zzzzzz.length() + 1);
appendFile(SD, "/espdata.txt", msg );
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
dirname;
File root = fs.open(dirname);
if(!root){
return;
}
if(!root.isDirectory()){
return;
}
File file = root.openNextFile();
while(file){
if(file.isDirectory()){
file.name();
if(levels){
listDir(fs, file.name(), levels -1);
}
} else {
file.name();
file.size();
}
file = root.openNextFile();
}
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
path;
File file = fs.open(path, FILE_WRITE);
if(!file){
return;
}
if(file.print(message)){
;
} else {
;
}
file.close();
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
//Serial.printf("Appending to file: %s\n", path);
path;
File file = fs.open(path, FILE_APPEND);
if(!file){
return;
}
if(file.print(message)){
;
} else {
;
}
file.close();
}
setup.ino
// Setup
void setup() {
// EEPROM with unique ID
EEPROM.begin(EEPROM_SIZE);
// Get Unit ID
GetUID();
// SHARP Display start & clear the display
display.begin();
display.clearDisplay();
isDisplayUID();
delay( 5000 );
// Initialize the LED Green
pinMode(iLEDGreen, OUTPUT);
// PCF8523 Precision RTC
setupRTC();
// Date and Time RTC
isRTC();
// RHT03 Humidity and Temperature Sensor
// Call rht.begin() to initialize the sensor and our data pin
rht.begin(RHT03_DATA_PIN);
// SD Card
setupSD();
// Rocker Switches
pinMode(iRow1, INPUT);
}
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Don Luc
Project #11: ESP32 Feather – RHT03 – Mk04
Humidity and Temperature Sensor
——
——
——
——
——
——
RHT03 – Humidity and Temperature Sensor
The RHT03 is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and doesn’t require extra components so you can get right to measuring relative humidity and temperature.
DonLuc1909Mk01
1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit DS3231 Precision RTC FeatherWing
1 x CR1220 12mm Lithium Battery
1 x RHT03 Humidity and Temperature Sensor
1 x LED Green
1 x 100 Ohm
14 x Jumper Wires 3″ M/M
2 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable
Adafruit HUZZAH32 ESP32 Feather
LG1 – Digital 21
RHT – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
GND – GND
VIN – +3.3V
DL1909Mk01.ino
// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - Mk04
// 09-01
// DonLuc1909Mk01p.ino 11-04
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// DS3231 Precision RTC
// EEPROM
// RHT03 Humidity and Temperature Sensor
// include Library Code
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
#include <RTClib.h>
#include <Wire.h>
#include "EEPROM.h"
#include <SparkFun_RHT03.h>
// SHARP Memory Display
// any pins can be used
#define SHARP_SCK 13
#define SHARP_MOSI 12
#define SHARP_SS 27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices!
#define BLACK 0
#define WHITE 1
int minorHalfSize; // 1/2 of lesser of display width or height
// LED Green
int iLEDGreen = 21; // LED Green
// DS3231 Precision RTC
RTC_DS3231 RTC;
String sDate;
String sTime;
// The current address in the EEPROM (i.e. which byte
// we're going to read to next)
#define EEPROM_SIZE 64
String sver = "9-1.p";
// Unit ID information
String uid = "";
// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 17; // RHT03 data pin Digital 17
RHT03 rht; // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;
void loop() {
// iLEDGreen
digitalWrite(iLEDGreen, HIGH );
// DS3231 Precision RTC
timeRTC();
// RHT03 Humidity and Temperature Sensor
isRHT03();
// SHARP Memory Display On
isDisplayOn();
// iLEDGreen
digitalWrite(iLEDGreen, LOW );
// Delay 1
delay( 1000 );
}
getDisplay.ino
// SHARP Memory Display On
void isDisplayOn() {
// Clear Display
display.clearDisplay();
// text display date, time, LED on
display.setRotation(4);
display.setTextSize(2);
display.setTextColor(BLACK);
display.setCursor(0,10);
display.println( sDate );
display.setCursor(0,30);
display.println( sTime );
display.setTextSize(2);
display.setCursor(0,55);
display.print("Hum: ");
display.print( latestHumidity );
display.println("%");
display.setCursor(0,75);
display.print("Cel: ");
display.print( latestTempC );
display.println("*C");
display.setCursor(0,95);
display.print("Fah: ");
display.print( latestTempF );
display.println("*F");
display.refresh();
}
// SHARP Memory Display - UID
void isDisplayUID() {
// text display EEPROM
display.setRotation(4);
display.setTextSize(3);
display.setTextColor(BLACK);
display.setCursor(0,20);
display.println( sver );
// display.setTextSize();
display.setTextColor(BLACK);
display.setCursor(0,65);
display.println( uid );
display.refresh();
delay( 100 );
}
getEEPROM.ino
// EEPROM
void GetUID()
{
// Get unit ID
uid = "";
for (int x = 0; x < 5; x++)
{
uid = uid + char(EEPROM.read(x));
}
}
getRHT.ino
// RHT03 Humidity and Temperature Sensor
void isRHT03(){
// Call rht.update() to get new humidity and temperature values from the sensor.
int updateRet = rht.update();
// The humidity(), tempC(), and tempF() functions can be called -- after
// a successful update() -- to get the last humidity and temperature value
latestHumidity = rht.humidity();
latestTempC = rht.tempC();
latestTempF = rht.tempF();
}
getRTCDS3231.ino
// DS3231 Precision RTC
void setupRTC() {
// DS3231 Precision RTC
RTC.begin();
if (! RTC.begin()) {
while (1);
}
DateTime now = RTC.now();
if (RTC.lostPower()) {
// Following line sets the RTC to the date & time this sketch was compiled
RTC.adjust(DateTime(F(__DATE__), F(__TIME__)));
}
}
// timeRTC
void timeRTC() {
// DS3231 Precision RTC
sDate = "";
sTime = "";
DateTime now = RTC.now();
// sData
sDate += String(now.year(), DEC);
sDate += "/";
sDate += String(now.month(), DEC);
sDate += "/";
sDate += String(now.day(), DEC);
// sTime
sTime += String(now.hour(), DEC);
sTime += ":";
sTime += String(now.minute(), DEC);
sTime += ":";
sTime += String(now.second(), DEC);
}
setup.ino
// Setup
void setup() {
// EEPROM with unique ID
EEPROM.begin(EEPROM_SIZE);
// Get Unit ID
GetUID();
// SHARP Display start & clear the display
display.begin();
display.clearDisplay();
isDisplayUID();
delay( 5000 );
// Initialize the LED Green
pinMode(iLEDGreen, OUTPUT);
// DS3231 Precision RTC
setupRTC();
// DS3231 Precision RTC
timeRTC();
// RHT03 Humidity and Temperature Sensor
// Call rht.begin() to initialize the sensor and our data pin
rht.begin(RHT03_DATA_PIN);
}
Follow Us
Web: https://www.donluc.com/
Web: http://neosteamlabs.com/
Web: http://www.jlpconsultants.com/
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Facebook: https://www.facebook.com/neosteam.labs.9/
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Don Luc
Project #10: ESP8266 Thing – Precision RTC – Mk04
DS3231 Precision RTC FeatherWing
A Feather board without ambition is a Feather board without FeatherWings! This is the DS3231 Precision RTC FeatherWing: it adds an extremely accurate I2C-integrated Real Time Clock (RTC) with a Temperature Compensated Crystal Oscillator to any Feather main board. This RTC is the most precise you can get in a small, low power package. Most RTCs use an external 32kHz timing crystal that is used to keep time with low current draw.
With a CR1220 12mm lithium battery plugged into the top of the FeatherWing, you can get years of precision timekeeping, even when main power is lost. Great for datalogging and clocks, or anything where you need to really know the time.
DonLuc1901Mk03
1 x SparkFun ESP8266 Thing
1 x SparkFun FTDI Basic Breakout – 3.3V
1 x DS3231 Precision RTC FeatherWing
1 x RHT03 Humidity and Temperature Sensor
6 x Jumper Wires 3″ M/M
3 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable
SparkFun ESP8266 Thing
LG1 – Digital 5
RHT – Digital 4
SDA – Digital 2
SCL – Digital 14
GND – GND
VIN – +3.3V
DonLuc1901Mk03p.ino
// ***** Don Luc Electronics *****
// Software Version Information
// Project #10: SparkFun ESP8266 Thing – DS3231 Precision RTC - Mk04
// 01-03
// DonLuc1901Mk03p.ino 01-03
// SparkFun ESP8266 Thing
// DS3231 Precision RTC
// RHT03 Humidity and Temperature Sensor
// Include Library Code
// WiFi
#include <ESP8266WiFi.h>
// RHT Humidity and Temperature Sensor
#include <SparkFun_RHT03.h>
// DS3231 Precision RTC
#include <RTClib.h>
#include <Wire.h>
// WiFi Definitions
const char WiFiAPPSK[] = "donlucmk01";
// Pin Definitions
const int LED_PIN = 5; // Thing's onboard, green LED
const int ANALOG_PIN = A0; // The only analog pin on the Thing
const int DIGITAL_PIN = 12; // Digital pin to be read
// WiFi
WiFiServer server(80);
// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 4; // RHT03 data pin Digital 4
RHT03 rht; // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;
// DS3231 Precision RTC
RTC_DS3231 RTC;
String sDate;
String sTime;
void loop()
{
// RHT03 Humidity and Temperature Sensor
isRHT03();
// DS3231 Precision RTC
timeRTC();
// Check if a client has connected
WiFiClient client = server.available();
if (!client) {
return;
}
// Read the first line of the request
String req = client.readStringUntil('\r');
Serial.println(req);
client.flush();
// Match the request
int val = -1; // We'll use 'val' to keep track of both the request type (read/set) and value if set.
if (req.indexOf("/led/0") != -1)
val = 0; // Will write LED low
else if (req.indexOf("/led/1") != -1)
val = 1; // Will write LED high
else if (req.indexOf("/read") != -1)
val = -2; // Will print pin reads
// Otherwise request will be invalid. We'll say as much in HTML
// Set GPIO5 according to the request
if (val >= 0)
digitalWrite(LED_PIN, val);
client.flush();
// Prepare the response. Start with the common header:
String s = "HTTP/1.1 200 OK\r\n";
s += "Content-Type: text/html\r\n\r\n";
s += "<!DOCTYPE HTML>\r\n<html>\r\n";
// If we're setting the LED, print out a message saying we did
if (val >= 0)
{
s += "LED is now ";
s += (val)?"on":"off";
}
else if (val == -2)
{ // If we're reading pins, print out those values:
s += "Date = ";
s += sDate;
s += "<br>";
s += "Time = ";
s += sTime;
s += "<br>";
s += "Analog Pin = ";
s += String(analogRead(ANALOG_PIN));
s += "<br>"; // Go to the next line.
s += "Digital Pin 12 = ";
s += String(digitalRead(DIGITAL_PIN));
s += "<br>"; // Go to the next line.
s += "Humidity and Temperature";
s += "<br>"; // Go to the next line.
s += "Humidity : ";
s += String(latestHumidity); // Humidity
s += "%";
s += "<br>"; // Go to the next line.
s += "Celsius: ";
s += String(latestTempC); // Temperature *C
s += "*C";
s += "<br>"; // Go to the next line.
s += "Fahrenheit: ";
s += String(latestTempF); // Temperature *F
s += "*F";
}
else
{
s += "Invalid Request.<br> Try /led/1, /led/0, or /read.";
}
s += "</html>\n";
// Send the response to the client
client.print(s);
delay(1);
Serial.println("Client disonnected");
// The client will actually be disconnected when the function returns and 'client' object is detroyed
}
getRHT.ino
// RHT03 Humidity and Temperature Sensor
void isRHT03(){
// Call rht.update() to get new humidity and temperature values from the sensor.
int updateRet = rht.update();
// The humidity(), tempC(), and tempF() functions can be called -- after
// a successful update() -- to get the last humidity and temperature value
latestHumidity = rht.humidity();
latestTempC = rht.tempC();
latestTempF = rht.tempF();
}
getRTCDS3231.ino
// DS3231 Precision RTC
void setupRTC() {
// DS3231 Precision RTC
RTC.begin();
if (! RTC.begin()) {
while (1);
}
DateTime now = RTC.now();
if (RTC.lostPower()) {
// Following line sets the RTC to the date & time this sketch was compiled
RTC.adjust(DateTime(F(__DATE__), F(__TIME__)));
}
}
// timeRTC
void timeRTC() {
// DS3231 Precision RTC
sDate = "";
sTime = "";
DateTime now = RTC.now();
// sData
sDate += String(now.year(), DEC);
sDate += "/";
sDate += String(now.month(), DEC);
sDate += "/";
sDate += String(now.day(), DEC);
// sTime
sTime += String(now.hour(), DEC);
sTime += ":";
sTime += String(now.minute(), DEC);
sTime += ":";
sTime += String(now.second(), DEC);
}
setWiFi.ino
// WiFi
void setupWiFi()
{
// WiFi mode WIFI_AP
WiFi.mode(WIFI_AP);
// Append the last two bytes of the MAC (HEX'd) to "Thing-":
uint8_t mac[WL_MAC_ADDR_LENGTH];
WiFi.softAPmacAddress(mac);
String macID = String(mac[WL_MAC_ADDR_LENGTH - 2], HEX) +
String(mac[WL_MAC_ADDR_LENGTH - 1], HEX);
macID.toUpperCase();
String AP_NameString = "ESP8266 Thing " + macID;
char AP_NameChar[AP_NameString.length() + 1];
memset(AP_NameChar, 0, AP_NameString.length() + 1);
for (int i=0; i<AP_NameString.length(); i++)
AP_NameChar[i] = AP_NameString.charAt(i);
WiFi.softAP(AP_NameChar, WiFiAPPSK);
}
// init Hardware
void initHardware()
{
// Serial
Serial.begin(115200);
// LED Green
pinMode(DIGITAL_PIN, INPUT_PULLUP);
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, LOW);
// RHT03 Humidity and Temperature Sensor
// Call rht.begin() to initialize the sensor and our data pin
rht.begin(RHT03_DATA_PIN);
// DS3231 Precision RTC
setupRTC();
}
setup.ino
// Setup
void setup()
{
// Hardware
initHardware();
// WiFi
setupWiFi();
server.begin();
}
Don Luc
Project #10: ESP8266 Thing – Web Server – Mk03
AP Web Server
Not only can the ESP8266 connect to a WiFi network and interact with the Internet, but it can also set up a network of its own, allowing other devices to connect directly to it. This example demonstrates how to turn the ESP8266 into an access point (AP), and serve up web pages to any connected client.
After uploading this sketch, find another device that you can connect to a WiFi network – phone, laptop, etc. Look for a network called “Thing-XXXX”, where XXXX is the last 2 bytes of the Thing’s MAC address.
WiFi => Yes
ESP8266 Thing XXXX
He sketch sets the network’s password to “donlucmk01”.
After connecting to your Thing’s AP network, load up a browser and point it to 192.168.4.1/read. The Thing should serve up a web page showing you its ADC and digital pin 12 readings:
Analog Pin = XXX
Digital Pin: XXX
Humidity and Temperature
Humidity: XX.XX%
Celsius: XX.XX*C
Fahrenheit: XX.XX*F
LED Green
After that, give 192.168.4.1/led/0 (No) and 192.168.4.1/led/1 (Yes) a try, and keep an eye on the Thing’s green LED while you do.
RHT03 Humidity and Temperature Sensor
The RHT03 is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and doesn’t require extra components so you can get right to measuring relative humidity and temperature.
DonLuc1901Mk02
1 x SparkFun ESP8266 Thing
1 x SparkFun FTDI Basic Breakout – 3.3V
1 x RHT03 Humidity and Temperature Sensor
3 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable
SparkFun ESP8266 Thing
LG1 – Digital 5
RHT – Digital 4
GND – GND
VIN – +3.3V
DonLuc1901Mk02p.ino
// ***** Don Luc Electronics *****
// Software Version Information
// Project #10: SparkFun ESP8266 Thing – AP Web Server - Mk02
// 01-02
// DonLuc1901Mk01p.ino 01-02
// SparkFun ESP8266 Thing
// AP Web Server
// RHT03 Humidity and Temperature Sensor
// Include Library Code
#include <ESP8266WiFi.h>
#include <SparkFun_RHT03.h>
// WiFi Definitions
const char WiFiAPPSK[] = "donlucmk01";
// Pin Definitions
const int LED_PIN = 5; // Thing's onboard, green LED
const int ANALOG_PIN = A0; // The only analog pin on the Thing
const int DIGITAL_PIN = 12; // Digital pin to be read
// WiFi
WiFiServer server(80);
// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 4; // RHT03 data pin Digital 4
RHT03 rht; // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;
void loop()
{
// RHT03 Humidity and Temperature Sensor
isRHT03();
// Check if a client has connected
WiFiClient client = server.available();
if (!client) {
return;
}
// Read the first line of the request
String req = client.readStringUntil('\r');
Serial.println(req);
client.flush();
// Match the request
int val = -1; // We'll use 'val' to keep track of both the request type (read/set) and value if set.
if (req.indexOf("/led/0") != -1)
val = 0; // Will write LED low
else if (req.indexOf("/led/1") != -1)
val = 1; // Will write LED high
else if (req.indexOf("/read") != -1)
val = -2; // Will print pin reads
// Otherwise request will be invalid. We'll say as much in HTML
// Set GPIO5 according to the request
if (val >= 0)
digitalWrite(LED_PIN, val);
client.flush();
// Prepare the response. Start with the common header:
String s = "HTTP/1.1 200 OK\r\n";
s += "Content-Type: text/html\r\n\r\n";
s += "<!DOCTYPE HTML>\r\n<html>\r\n";
// If we're setting the LED, print out a message saying we did
if (val >= 0)
{
s += "LED is now ";
s += (val)?"on":"off";
}
else if (val == -2)
{ // If we're reading pins, print out those values:
s += "Analog Pin = ";
s += String(analogRead(ANALOG_PIN));
s += "<br>"; // Go to the next line.
s += "Digital Pin 12 = ";
s += String(digitalRead(DIGITAL_PIN));
s += "<br>"; // Go to the next line.
s += "Humidity and Temperature";
s += "<br>"; // Go to the next line.
s += "Humidity : ";
s += String(latestHumidity); // Humidity
s += "%";
s += "<br>"; // Go to the next line.
s += "Celsius: ";
s += String(latestTempC); // Temperature *C
s += "*C";
s += "<br>"; // Go to the next line.
s += "Fahrenheit: ";
s += String(latestTempF); // Temperature *F
s += "*F";
}
else
{
s += "Invalid Request.<br> Try /led/1, /led/0, or /read.";
}
s += "</html>\n";
// Send the response to the client
client.print(s);
delay(1);
Serial.println("Client disonnected");
// The client will actually be disconnected when the function returns and 'client' object is detroyed
}
getRHT.ino
// RHT03 Humidity and Temperature Sensor
void isRHT03(){
// Call rht.update() to get new humidity and temperature values from the sensor.
int updateRet = rht.update();
// The humidity(), tempC(), and tempF() functions can be called -- after
// a successful update() -- to get the last humidity and temperature value
latestHumidity = rht.humidity();
latestTempC = rht.tempC();
latestTempF = rht.tempF();
}
setWiFi.ino
// WiFi
void setupWiFi()
{
// WiFi mode WIFI_AP
WiFi.mode(WIFI_AP);
// Append the last two bytes of the MAC (HEX'd) to "Thing-":
uint8_t mac[WL_MAC_ADDR_LENGTH];
WiFi.softAPmacAddress(mac);
String macID = String(mac[WL_MAC_ADDR_LENGTH - 2], HEX) +
String(mac[WL_MAC_ADDR_LENGTH - 1], HEX);
macID.toUpperCase();
String AP_NameString = "ESP8266 Thing " + macID;
char AP_NameChar[AP_NameString.length() + 1];
memset(AP_NameChar, 0, AP_NameString.length() + 1);
for (int i=0; i<AP_NameString.length(); i++)
AP_NameChar[i] = AP_NameString.charAt(i);
WiFi.softAP(AP_NameChar, WiFiAPPSK);
}
// init Hardware
void initHardware()
{
// Serial
Serial.begin(115200);
// LED Green
pinMode(DIGITAL_PIN, INPUT_PULLUP);
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, LOW);
// RHT03 Humidity and Temperature Sensor
// Call rht.begin() to initialize the sensor and our data pin
rht.begin(RHT03_DATA_PIN);
}
setup.ino
// Setup
void setup()
{
// Hardware
initHardware();
// WiFi
setupWiFi();
server.begin();
}
Don Luc
Project #10: ESP8266 Thing – Blink – Mk02
Soldering
Plated through-hole soldering (PTH), flux-core solder alloys commonly used for electrical soldering are 60/40 Sn-Pb used principally in electrical/electronic work and TENMA soldering station temperature controlled digital.
Hardware Assembly
We’re getting ahead of ourselves. To connect the FTDI programmer to your Thing you’ll need to solder something to the Thing. What, exactly, you solder to the board depends both on how you’ll use it in your project, and how you’ll interface it with the programmer. When it comes to selecting a header (or wire) to solder, there are a variety of options. We’ve tried a lot of them with the Thing:
Or you can mix and match headers to best fit your needs. Right-angle male headers may help to interface between the FTDI and the Thing. Straight male headers are a good choice for low-profile connections. Straight female headers may help with connecting to I2C sensors. And, of course, wire can be soldered to any of the pins that have a long way to connect to something.
10 pin – Break Away Headers – Straight
4 pin – Break Away Headers – Straight
6 pin – Break Away Male Headers – Right Angle
Once you’ve soldered up at least the programming port, you’re ready to load some code onto the Thing.
Programming the Thing
The ESP8266 has a built-in serial bootloader, which allows for easy programming and re-programming. You don’t need a specialized, expensive programmer – just a simple, USB-to-Serial converter. The FTDI Basic’s 6-pin header matches up exactly to the Thing’s 6-pin serial port header. To set up for programming, simply connect the FTDI directly to this port – take care to match up the DTR and GND pins.
Blink
Let’s blink some LEDs and IoT (Internet our Thing). To verify that everything works Blink: toggle pin 5, which is attached to the onboard LED Green, toggle pin 4 which is LED Green.
DonLuc1901Mk01
1 x SparkFun ESP8266 Thing
1 x SparkFun FTDI Basic Breakout – 3.3V
1 x LED Green
1 x 100 Ohm
4 x Jumper Wires 3″ M/M
1 x Full-Size Breadboard
1 x USB Cable A to Mini-B
SparkFun ESP8266 Thing
LG1 – Digital 5
LG2 – Digital 4
GND – GND
VIN – +3.3V
DonLuc1901Mk01p.ino
// ***** Don Luc Electronics *****
// Software Version Information
// Project #10: SparkFun ESP8266 Thing – Blink - Mk02
// 01-01
// DonLuc1901Mk01p.ino 01-01
// SparkFun ESP8266 Thing
// Blink
// Include Library Code
#define ESP8266_LED 5 // LED Green
int iLEDGreen = 4; // LED Green
void loop()
{
// ESP8266_LED, iLEDGreen
digitalWrite(ESP8266_LED, LOW);
digitalWrite(iLEDGreen, LOW);
delay(2000);
digitalWrite(ESP8266_LED, HIGH);
delay(2000);
digitalWrite(ESP8266_LED, LOW);
delay(2000);
digitalWrite(iLEDGreen, HIGH);
delay(2000);
}
setup.ino
// Setup
void setup()
{
// LED
pinMode(ESP8266_LED, OUTPUT); // ESP8266_LED Green
pinMode(iLEDGreen, OUTPUT); // LED Green
}
Don Luc