[arduino code examples for B2]-01 Turn ON/OFF OUTPUT

Code:
/*

   Made by KinCony IoT

   https://www.kincony.com



   Demo: KinCony B2 Relay Control

*/



#define RELAY1_PIN 4

#define RELAY2_PIN 46



// Relay logic (Active LOW)

#define RELAY_ON  LOW

#define RELAY_OFF HIGH



void setup()

{



  pinMode(RELAY1_PIN, OUTPUT);

  pinMode(RELAY2_PIN, OUTPUT);



  // Turn OFF both relays at startup

  digitalWrite(RELAY1_PIN, RELAY_OFF);

  digitalWrite(RELAY2_PIN, RELAY_OFF);

}



void loop()

{

  digitalWrite(RELAY1_PIN, RELAY_ON);

  delay(1000);



  digitalWrite(RELAY1_PIN, RELAY_OFF);

  delay(1000);



  digitalWrite(RELAY2_PIN, RELAY_ON);

  delay(1000);



  Serial.println("Relay 2 OFF");

  digitalWrite(RELAY2_PIN, RELAY_OFF);

  delay(1000);



  digitalWrite(RELAY1_PIN, RELAY_ON);

  digitalWrite(RELAY2_PIN, RELAY_ON);

  delay(1000);



  digitalWrite(RELAY1_PIN, RELAY_OFF);

  digitalWrite(RELAY2_PIN, RELAY_OFF);

  delay(1000);

}