KY-020 Tilt Switch Module โมดูลตรวจจับการเอียง

int tiltPin = 2;  // pin number for tilt switch signal
int ledPin = 13;  // pin number of LED
int tiltState = 0;  // variable for reading the tilt switch status

void setup() {
pinMode(ledPin, OUTPUT);  // set the LED pin as output
 pinMode(tiltPin, INPUT);  // set the tilt switch pin as input
}

void loop(){
 // get the tilt switch state
 tiltState = digitalRead(tiltPin);

 // check if tilt switch is tilted.
 if (tiltState == HIGH) {
digitalWrite(ledPin, HIGH);
}
else {
digitalWrite(ledPin, LOW);
}
}