Sample Arduino code for the Beefcake Relay

BeefcakeRelay.ino

// Turn the Beefcake Relay on for 2 seconds and off for 2 seconds
// 
// Hardware:
//    Relay Kit  | Arduino
//  -------------|---------
//       5V      |    5V
//      CTRL     |   pin 7
//       GND     |    GND

// Pins
const int RELAY_PIN = 7;

void setup() {
  pinMode(RELAY_PIN, OUTPUT);
}

void loop() {

  // Turn the relay on for 2 seconds and off for 2 seconds
  digitalWrite(RELAY_PIN, HIGH);
  delay(2000);
  digitalWrite(RELAY_PIN, LOW);
  delay(2000);
}