c_cpp PIRセンサが反応したらLEDが光るArduino的サンプル

Posted 2021-05-14

#define LED_OUTPUT 7
#define PIR_IN 2

void setup() 
{
  Serial.begin(9600);
  pinMode(PIR_IN, INPUT);
  pinMode(LED_OUTPUT, OUTPUT);
}

void loop() 
{
  Serial.println(digitalRead(PIR_IN));
  if (digitalRead(PIR_IN) == HIGH)
  {
    digitalWrite(LED_OUTPUT,HIGH);
  }
  else
  {
    digitalWrite(LED_OUTPUT,LOW);
  }
  delay(200);
}