void setup() {
  // put your setup code here, to run once:
  pinMode(32,OUTPUT);

}

void loop() {
  digitalWrite(32,HIGH); // The circuit is closed for 2s
  delay(2000);
  digitalWrite(32,LOW); // The circuit is open for 5s
  delay(5000);
}

/*
#define RELAIS 32

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

void loop() {
  digitalWrite(pin#, HIGH); // The circuit is closed for 200ms
  delay(200);
  digitalWrite(pin#,LOW); // The circuit is open for 5s
  delay(5000);
}
*/

/* Use multi-channel Relay modules

#define RELAIS_0 32
#define RELAIS_1 33

void setup() {
  pinMode(RELAIS_0 ,OUTPUT);
    pinMode(RELAIS_1 ,OUTPUT);
}

void loop() {
  digitalWrite(RELAIS_0 , HIGH); // Relay 0 is activated for 5s
  digitalWrite(RELAIS_1 , HIGH); // Relay 1 is activated for 5s
  delay(5000);
  digitalWrite(RELAIS_0 ,LOW); // Relay 0 is deactivated for 5s
  digitalWrite(RELAIS_1 ,LOW); // Relay 1 is deactivated for 5s
  delay(5000);
}*/