Relay SDK

Demo Code

• File:Keil STC89S52 relay.zip

int Relay = 3;
 
void setup()
{
  pinMode(Relay, OUTPUT);     //Set Pin3 as output
}
void loop()
{
          digitalWrite(Relay, HIGH);   //Turn off relay
          delay(2000);
          digitalWrite(Relay, LOW);    //Turn on relay
          delay(2000);
}