/*Program to control LED (ON/OFF) from ESP32 using Serial Bluetooth
 * Thanks to haris lightace the support to Arduino IDE
 * Turotial on: www.sinauprogramming.com
 */

#include "BluetoothSerial.h" //Header File for Serial Bluetooth, will be added by default into Arduino

BluetoothSerial ESP_BT; //Object for Bluetooth

int incoming;
int LED_BUILTIN = 2; //red
int LED_DIMMER = 5; // yellow
int LED_green = 18;
 int states=0;
void setup() { pinMode (LED_BUILTIN, OUTPUT);//Specify that LED pin is output
  pinMode (LED_DIMMER, OUTPUT);
  pinMode (LED_green, OUTPUT);
  Serial.begin(9600); //Start Serial monitor in 9600
  ESP_BT.begin("Sinau Programming"); //Name of your Bluetooth Signal
  Serial.println("Bluetooth Device is Ready to Pair");

 
}

void loop() {
  
  if (ESP_BT.available()) //Check if we receive anything from Bluetooth
  {
    incoming = ESP_BT.read(); //Read what we recevive 
    Serial.print("Received:"); Serial.println(incoming);

    if (incoming == 49) // terminal kode 1
        {
        digitalWrite(LED_BUILTIN, HIGH);
        ESP_BT.println("LED RED ON");
        }
        
    if (incoming == 48) // terminal kode 0
        {
        digitalWrite(LED_BUILTIN, LOW);
        ESP_BT.println("LED RED OFF");
        } 
        if (incoming == 50)
        { //program led kuning dimmer
            states=1;
        }
        if (incoming == 51)
        {
        digitalWrite(LED_DIMMER, HIGH); 
        ESP_BT.println("LED Dimmer ON");
        }
        if (incoming == 54)
        {
        digitalWrite(LED_DIMMER, LOW);
        states=0;
        ESP_BT.println("LED YELLOW Off");
        } 
         if (incoming == 52)
        {
        digitalWrite(LED_green, LOW);
        ESP_BT.println("LED_Green off");
        
        }
        if (incoming == 53)
        {
        digitalWrite(LED_green, HIGH);
        ESP_BT.println("LED_Green ON");
        }     
  }
  delay(20);
 if (states==1){
  digitalWrite(LED_DIMMER, HIGH);
  delay(2000);
  digitalWrite(LED_DIMMER, LOW);
  delay(2000);
  }
}