AC Bulb Lights on and Lights Off in Arduino

A simple Arduino application that I wrote and construct that will allow us to turn on and off our alternating current bulb using Arduino UNO and 5 volts Relay.  I hope you will find my work useful. Thank you.

I am currently accepting programming work, it projects, school and application development.

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Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

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                                                                 Sample Program Output

Program Listing

/*  AC Bulb Lights on and Lights Off in Arduino

 *   Written By Mr. Jake R. Pomperada

 *   January 20, 2019  Sunday, Bacolod City, Negros Occidental Philippines

 *   8:54 AM

 */

#define RELAY1  7                        

void setup()

{    

Serial.begin(9600);

  pinMode(RELAY1, OUTPUT);       

}

  void loop()

{

   digitalWrite(RELAY1,0);           // Turns ON Relays 1

   Serial.println("Light ON");

   delay(2000);                     // Wait 2 seconds

   digitalWrite(RELAY1,1);          // Turns Relay Off

   Serial.println("Light OFF");

   delay(2000);

   

}