Peltier Controlled From An Android App

/*
    Sample program to manage relays a receive messages
    Copyright (C) 2017  Chocron J.

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/  
#include <LiquidCrystal.h>
#include "abtoo.h"

// Relays
int r1 = 16; // GPIO16
int r2 = 5;  // GPIO5
int r3 = 4;  // GPIO4

// LCD
int rs = 0;  // GPIO0
int en = 2;  // GPIO2
int d4 = 14; // GPIO14
int d5 = 12; // GPIO12
int d6 = 13; // GPIO13
int d7 = 15; // GPIO15

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

// WiFi
char* ssid = "MYSSID";
char* password = "MYPASSWORD";
AbetooIno abtoino;

// Message received callback
void messageReceived(String message)
{
  if (message == "r1on")
  {
    digitalWrite(r1, LOW);
  }
  else if (message == "r1off")
  {
    digitalWrite(r1, HIGH);
  }
  else if (message == "r2on")
  {
    digitalWrite(r2, LOW);
  }
  else if (message == "r2off")
  {
    digitalWrite(r2, HIGH);
  }
  else // text message
  {
    lcd.setCursor(0,1);
    lcd.print(message+"                ");
  }
}

void setup() {
  // Initialize pins
  pinMode(rs, OUTPUT);
  pinMode(en, OUTPUT);
  pinMode(d4, OUTPUT);
  pinMode(d5, OUTPUT);
  pinMode(d6, OUTPUT);
  pinMode(d7, OUTPUT);

  // Initialize LCD
  lcd.begin(16, 2);
  lcd.setCursor(0,0);
  lcd.print("Abetoo IoT");
  lcd.setCursor(0,1);
  lcd.print("Arduino Library");

  Serial.begin(9600);
  delay(10);

  // Initialize Relay's pins
  pinMode(r1, OUTPUT);
  pinMode(r2, OUTPUT);
  pinMode(r3, OUTPUT);
  digitalWrite(r1, HIGH);
  digitalWrite(r2, HIGH);
  digitalWrite(r3, HIGH);
 
  // Connect to WiFi network
  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
 
  WiFi.begin(ssid, password);
 
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");

  abtoino.init("uuid1", "-TbVO-rqdA0iWg6-gWh0eeQ636243460528994051#735acf9cd6eda96e66ee3858496dca59d750aff1", 1, messageReceived);
}

void loop()
{
  abtoino.abetooloop();
}