Components

	ESP01	x 1
	Generic IR Leds	x 4
	2N2222A ON Semiconductor	x 1
	Step down converter 5v to 3.3v	x 1

Tools, APP Software Used etc.

	Blynk App
	fritzing
	arduino IDE Arduino

Description

IRRemote ESP01 v0.1

Home automation project to create IR Remote pcb compatibile with ESP01 board and Blynk legacy.

Code

IRRemoteBlynk.ino

Arduino

#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <Arduino.h>
#include <IRremoteESP8266.h>
#include <IRsend.h>
#include "ircodes.h"
#include <EEPROM.h>
#include <JeVe_EasyOTA.h>
EasyOTA OTA("IRremoteBlynk");

char auth[] = "ah6bhKeHC6S4UWzYmfO_UqJIkC9EX2Vz";
char ssid[] = "Vodafone-uaa2.4";
char pass[] = "asdfasdf";
int eeprom_addr = 0; int eeprom_flag = 0; int flashingmode = 0;
int stepvolume = 10;
int timeoutOTA = 120; // timeout OTA in sec
int old;

IRsend irsend(3);  // Pin gpio4 -> D2 (IR LED)
WidgetTerminal terminal(V8);

BLYNK_WRITE(V0) { // tasto accensione/spegnimento
  if (param.asInt()) {
    terminal.println("Invio segnale Power on/off"); terminal.flush();
    irsend.sendRaw(power, 68, 38);
    Blynk.virtualWrite(V0, 0);
  }
}
BLYNK_WRITE(V1) { // tasto volume +
  if (param.asInt() == 1) {
    terminal.println("Invio segnale Volume +"); terminal.flush();
    irsend.sendRaw(volumesu, 68, 38);
  }
  else if (param.asInt() == -1) {
    terminal.println("Invio segnale Volume -"); terminal.flush();
    irsend.sendRaw(volumegiu, 68, 38);
  }
  Blynk.virtualWrite(V1, 0);
}
BLYNK_WRITE(V3) { // tasto canale +
  if (param.asInt() == 1) {
    terminal.println("Invio segnale Canale +"); terminal.flush();
    irsend.sendRaw(canalesu, 68, 38);
  }
  else if (param.asInt() == -1) {
    terminal.println("Invio segnale Canale -"); terminal.flush();
    irsend.sendRaw(canalegiu, 68, 38);
  }
  Blynk.virtualWrite(V3, 0);
}
BLYNK_WRITE(V5) { // tasto input
  if (param.asInt()) {
    terminal.println("Invio segnale input"); terminal.flush();
    irsend.sendRaw(input, 68, 38);
    Blynk.virtualWrite(V5, 0);
  }
}
BLYNK_WRITE(V6) { // Volume MUTO
  if (param.asInt()) {
    terminal.println("Invio segnale Volume muto"); terminal.flush();
    irsend.sendRaw(volumemuto, 68, 38);
    Blynk.virtualWrite(V6, 0);
  }
}
BLYNK_WRITE(V7) { // ALEXA volume +- 10
  if (param.asInt() == 1) {
    terminal.println("Invio segnale Volume + 10"); 
    for (int i = 0; i < stepvolume; i++) {
      irsend.sendRaw(volumesu, 68, 38);
      terminal.print(String(i) + " "); 
      Blynk_Delay(150);
    }
  }
  else if (param.asInt() == -1) {
    terminal.println("Invio segnale Volume - 10");
    for (int i = 0; i < stepvolume; i++) {
      irsend.sendRaw(volumegiu, 68, 38);
      terminal.print(String(i) + " ");
      Blynk_Delay(150);
    }
  }
  terminal.println(); terminal.flush();
  Blynk.virtualWrite(V7, 0);
}
BLYNK_WRITE(V2) { // Reboot in OTA mode
  if (param.asInt()) {
    terminal.println("Reboot in OTA mode");
    // impostazione eeprom_flag a 1
    EEPROM.write(eeprom_addr, 1);
    EEPROM.write(eeprom_addr + 1, timeoutOTA);
    EEPROM.commit();
    if (EEPROM.commit()) {
      terminal.println("EEPROM successfully committed");
    } else {
      terminal.println("ERROR! EEPROM commit failed");
    }
    terminal.flush();
    EEPROM.end();
    Blynk.virtualWrite(V2, 0);
    Blynk.notify("Entering in OTA mode, timeout " + String(timeoutOTA) + " s");
    delay(500);
    ESP.restart(); // al riavvio viene eseguita la funzione OTASETUP
  }
}
BLYNK_WRITE(V12) {
  timeoutOTA = param.asInt();
  terminal.println("Timeout OTA set to " + String(timeoutOTA) + " seconds");
  terminal.flush();
}
BLYNK_WRITE(V11) {
  stepvolume = param.asInt();
  terminal.println("Volume step set to " + String(stepvolume));
  terminal.flush();
}
BLYNK_CONNECTED() {
  for (int i = 0; i <= 10; i++) { // reset tasti a stato 0
    Blynk.virtualWrite(i, 0);
  }
  Blynk.syncVirtual(V11, V12); // sync data from app (step volume, ota timeout)

}
void setup()
{
  // Debug console
  Serial.begin(9600);
  EEPROM.begin(512);
  eeprom_flag = EEPROM.read(eeprom_addr);
  terminal.println("eeprom_flag: " + String(eeprom_flag)); terminal.flush();
  if (eeprom_flag == 1) {
    pinMode(LED_BUILTIN, OUTPUT);     // Initialize the LED_BUILTIN pin as an output
    otasetup();
  } else {
    Blynk.begin(auth, ssid, pass);
    irsend.begin();
    Blynk.notify("Started IRremoteBlynk!");
    terminal.clear();
  }

}

void loop()
{
  if (flashingmode == 1) { // ESECUZIONE CODICE LOOP PER OTA
    static unsigned long last_m = millis();
    static unsigned long last_2 = millis();
    unsigned long now = millis();
    OTA.loop(now);
    if (now - last_m > 1000) {
      last_m = now;
      digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
    }
    if (now - last_2 > timeoutOTA) { // TIMEOUT dopo x secondi (definiti nell'app)
      ESP.restart();
    } else{
        float restante = (timeoutOTA - (now - last_2)) /float(1000);
        if (restante == int(restante) && restante != old){
            Serial.println("riavvio fra " + String(int(restante)) + " secondi" );
            old = restante;
        }
    }
  } else { // in qualunque altro caso esegui BLYNK
    Blynk.run();
  }
}

void restartButton() {
  // funzione da chiamare con interrupt su tasto su nodemcu
  ESP.restart();
}

void Blynk_Delay(int milli) {
  int end_time = millis() + milli;
  while (millis() < end_time) {
    Blynk.run();
    yield();
  }
}

ircodes.h

Arduino

uint16_t power[68] = {4400,4650,500,1750,550,1750,500,1750,500,600,500,600,550,600,500,600,500,600,500,1800,500,1750,500,1750,550,550,550,600,500,600,500,600,550,550,550,600,500,1750,500,600,550,600,500,600,500,600,500,600,550,600,500,1750,500,600,550,1750,500,1750,500,1750,550,1750,500,1750,500,1750,500,};

uint16_t volumesu[68] = {4400,4650,450,1750,500,1750,500,1750,500,550,500,600,500,600,450,600,500,600,500,1750,450,1750,500,1750,600,500,500,550,500,600,500,600,450,600,500,1750,500,1750,500,1700,500,600,500,600,500,550,500,600,500,600,500,550,500,600,500,600,450,1750,500,1750,500,1750,500,1700,550,1700,500,};

uint16_t volumegiu[68] = {4400,4650,500,1750,450,1750,500,1750,500,600,450,600,500,600,500,600,450,600,500,1750,500,1750,450,1750,500,600,500,600,450,600,500,600,500,600,450,1750,500,1750,500,600,450,1750,500,600,500,600,450,600,500,600,500,550,500,600,500,1750,500,550,500,1750,500,1750,500,1750,450,1750,500,};

uint16_t volumemuto[68] = {4400,4650,450,1800,450,1750,500,1750,450,650,450,600,500,600,450,650,450,600,450,1800,450,1800,450,1750,500,600,500,600,450,600,500,600,500,600,450,1750,500,1750,450,1800,450,1750,500,600,500,600,500,550,500,600,500,600,450,600,500,600,500,600,450,1750,500,1750,500,1750,500,1700,550,};

uint16_t canalesu[68] = {4400,4650,450,1750,500,1750,450,1800,450,600,500,600,450,650,450,600,500,600,450,1800,450,1750,500,1750,450,650,450,600,500,600,450,650,450,600,500,600,450,1800,450,600,500,600,450,1800,450,600,500,600,450,650,450,1750,500,600,500,1750,450,1750,500,600,450,1800,450,1750,500,1750,500,};

uint16_t canalegiu[68] = {4400,4600,500,1750,500,1750,450,1800,450,600,500,600,450,650,450,600,500,600,450,1800,450,1750,500,1750,500,600,450,600,500,600,450,650,450,600,500,600,450,600,500,600,450,650,450,1750,500,600,500,600,450,600,500,1750,500,1750,500,1750,450,1750,500,600,450,1800,450,1750,500,1750,500,};

uint16_t input[68] = {4400,4650,450,1750,500,1750,450,1800,500,550,500,600,450,650,450,600,500,600,450,1800,450,1750,500,1750,500,600,450,650,450,600,450,650,450,600,500,1750,450,650,500,550,500,600,500,600,450,600,500,600,450,650,450,600,500,1750,500,1750,500,1700,550,1700,550,1700,500,1700,550,1700,550,};

ota.ino

Arduino

void otasetup(){ // OTA SETUP (run only if EEPROM flag is 1)
  Serial.println("ENTERED IN OTA SETUP");
  // resetting eeprom flag to reboot in MAIN program
  EEPROM.write(eeprom_addr, 0);
  EEPROM.commit();
  if (EEPROM.commit()) {
      Serial.println("EEPROM successfully committed");
    } else {
      Serial.println("ERROR! EEPROM commit failed");
  }
  timeoutOTA = EEPROM.read(eeprom_addr+1);
  timeoutOTA = timeoutOTA * 1000;
  Serial.println("get TIMEMOUT from eeprom: " + String(timeoutOTA) + "ms");
  EEPROM.end();

  OTA.onMessage([](const String& message, int line) {
  Serial.println(message);
  });
  // Add networks you wish to connect to
  OTA.addAP("Vodafone-uaa2.4", "asdfasdf");
  OTA.allowOpen(true);

  // setting flashingmode variable to 1 (to execute OTA.loop)
  flashingmode = 1;
}

Schematic and Layout

Fritzing project -> PCB (100x100 cm)

IRremotePCBesp01 2in1 new backup.fzz

Download Gerbers

Oct 09,2022

502 views

IRRemote ESP01 v0.1

Universal infrared remote control made by ESP01, 4 recycled IR leds and some others basic components.

502

10.00 (1)

Published: Oct 09,2022

Download Gerber file 2

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