Kendali Relay 8 Chanel Arduino Bluetooth

Application to control 8 channel relays with Arduino and Bluetooth HC05

Wiring Diagram

Arduino dengan Bluetooth HC05

Arduino----------Bluetooth HC05

Tx----------------Rx

Rx----------------Tx

5V----------------5V

GND---------------GND

Arduino dengan Relay 8 Chanel

Arduino---------------Relay

2-----------------Relay 1

3-----------------Relay 2

4-----------------Relay 3

5-----------------Relay 4

6-----------------Relay 5

7-----------------Relay 6

8-----------------Relay 7

9-----------------Relay 8

Sketch Arduino

int DataBluetooth;

void setup() {

Serial.begin(9600);

pinMode(2,OUTPUT); //Relay 1

pinMode(3,OUTPUT); //Relay 2

pinMode(4,OUTPUT); //Relay 3

pinMode(5,OUTPUT); //Relay 4

pinMode(6,OUTPUT); //Relay 5

pinMode(7,OUTPUT); //Relay 6

pinMode(8,OUTPUT); //Relay 7

pinMode(9,OUTPUT); //Relay 8

digitalWrite(2,HIGH);

digitalWrite(3,HIGH);

digitalWrite(4,HIGH);

digitalWrite(5,HIGH);

digitalWrite(6,HIGH);

digitalWrite(7,HIGH);

digitalWrite(8,HIGH);

digitalWrite(9,HIGH);

}

void loop() {

if (Serial.available()){

DataBluetooth=Serial.read();

// Menyalakan Relay 1

if(DataBluetooth=='A'){

digitalWrite(2,LOW);

}

//Mematikan Relay 1

if(DataBluetooth=='B'){

digitalWrite(2,HIGH);

}

// Menyalakan Relay 2

if(DataBluetooth=='C'){

digitalWrite(3,LOW);

}

//Mematikan Relay 2

if(DataBluetooth=='D'){

digitalWrite(3,HIGH);

}

// Menyalakan Relay 3

if(DataBluetooth=='E'){

digitalWrite(4,LOW);

}

//Mematikan Relay 3

if(DataBluetooth=='F'){

digitalWrite(4,HIGH);

}

// Menyalakan Relay 4

if(DataBluetooth=='G'){

digitalWrite(5,LOW);

}

//Mematikan Relay 4

if(DataBluetooth=='H'){

digitalWrite(5,HIGH);

}

// Menyalakan Relay 5

if(DataBluetooth=='I'){

digitalWrite(6,LOW);

}

//Mematikan Relay 5

if(DataBluetooth=='J'){

digitalWrite(6,HIGH);

}

// Menyalakan Relay 6

if(DataBluetooth=='K'){

digitalWrite(7,LOW);

}

//Mematikan Relay 6

if(DataBluetooth=='L'){

digitalWrite(7,HIGH);

}

// Menyalakan Relay 7

if(DataBluetooth=='M'){

digitalWrite(8,LOW);

}

//Mematikan Relay 7

if(DataBluetooth=='N'){

digitalWrite(8,HIGH);

}

// Menyalakan Relay 8

if(DataBluetooth=='O'){

digitalWrite(9,LOW);

}

//Mematikan Relay 8

if(DataBluetooth=='P'){

digitalWrite(9,HIGH);

}

}

}