ส่งงานครั้งที่ 6

Arduino Relay Control

const int buttonPin = 12;
const int transistorPin = 7;

int buttonState = 0;

void setup()
{

 pinMode(buttonPin, INPUT);
 pinMode (transistorPin, OUTPUT);

}

void loop()
{

 buttonState = digitalRead(buttonPin);

 if (buttonState == LOW)
  {

   digitalWrite (transistorPin, HIGH);
 
  }

 else
  {
 
   digitalWrite (transistorPin, LOW);

  }

}