OK try below, The output pins used are pin 4 to 7
You can simply turn them off or on using below code.
void setup() {
// initialize the digital pins as an output.
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
}
void loop() {
digitalWrite(4, HIGH); // Turns ON Relay on digital pin 4
delay(1000); // wait for a second
digitalWrite(5, HIGH); // Turns ON Relay on digital pin 5
delay(1000); // wait for a second
digitalWrite(6, HIGH); // Turns ON Relay on digital pin 6
delay(1000); // wait for a second
digitalWrite(7, HIGH); // Turns ON Relay on digital pin 7
delay(1000); // wait for a second
digitalWrite(4, LOW); // Turns OFF Relay on digital pin 4
delay(1000); // wait for a second
digitalWrite(5, LOW); // Turns OFF Relay on digital pin 5
delay(1000); // wait for a second
digitalWrite(6, LOW); // Turns OFF Relay on digital pin 6
delay(1000); // wait for a second
digitalWrite(7, LOW); // Turns OFF Relay on digital pin 7
delay(1000); // wait for a second
}