작동 전압 5V

아두이노 코드

int Relay = 7 ;

void setup()
{
  Serial.begin(9600);
  pinMode(Relay, OUTPUT);
}

void loop()
{
      digitalWrite(Relay,HIGH);
      delay(300000);
      digitalWrite(Relay,LOW);
      delay(300000);
}

site

파이썬 코드 ( 적용 코드 )

import RPI.GPIO as GPIO
import time

relay = 21

GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.setup(relay, GPIO.OUT)

GPIO.output(relay, GPIO.HIGH) # 온열 패드 ON

GPIO.output(relay, GPIO.LOW) # 온열 패드 OFF