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

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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);
}

arduino ino file download:

  1-relay.zip (Size: 450 bytes / Downloads: 11)
BIN file (you can use esp32 download tool download to ESP32-S3 with address 0x0 then directly to use) download:

  1-relay.ino.merged.zip (Size: 179.96 KB / Downloads: 13)