OK, I'm publishing Arduino code, which allows you to control relay:
#define RELAY1 0
#define RELAY2 1
#define RELAY3 2
#define RELAY4 3
void setup()
{
// Initialise the Arduino data pins for OUTPUT
pinMode(RELAY1, OUTPUT);
pinMode(RELAY2, OUTPUT);
pinMode(RELAY3, OUTPUT);
pinMode(RELAY4, OUTPUT);
}
void loop()
{
digitalWrite(RELAY1,LOW); // Turns ON Relays 1
delay(2000); // Wait 2 seconds
digitalWrite(RELAY1,HIGH); // Turns Relay Off
digitalWrite(RELAY2,LOW); // Turns ON Relays 2
delay(2000); // Wait 2 seconds
digitalWrite(RELAY2,HIGH); // Turns Relay Off
digitalWrite(RELAY3,LOW); // Turns ON Relays 3
delay(2000); // Wait 2 seconds
digitalWrite(RELAY3,HIGH); // Turns Relay Off
digitalWrite(RELAY4,LOW); // Turns ON Relays 4
delay(2000); // Wait 2 seconds
digitalWrite(RELAY4,HIGH); // Turns Relay Off
}
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