Introduction: VERY SIMPLY RELAY AND ARDUINO PROJECT

WHAT YOU NEED:

1) A REALY MODULE (IM USING KEYES)

2) 9 VOLT BATTERY

3) 9 VOLT BATTERY CONNECTOR

4) 2 JUMPER WIRES ,AND WIRES

5) A 9VOLT LAMP

Step 1: CONNECTING

CLICK THE WHITE BACKGROUND IMAGE..........

THE CODE:
int Relay = 7;
int stateRelay = LOW; ; void setup() {
  pinMode(Relay, OUTPUT);
}
 
void loop() {
 digitalWrite(Relay,LOW); // Turns ON Relays 1
Serial.println("Light ON");
delay(2000); // Wait 2 seconds
digitalWrite(Relay,HIGH); // Turns Relay Off
Serial.println("Light OFF");
delay(2000);
}

AND BOOM!!!!!!!!!!! THERE YOU ARE ;))