int hdx=8;
int led1=9;
void setup() {
// put your setup code here, to run once:
pinMode(hdx,INPUT);
pinMode(led1,OUTPUT);
Serial.begin(9600);
}
void loop() {
// put your main code here, to run repeatedly:
Serial.println(digitalRead(hdx));
if(digitalRead(hdx)==LOW)
{
digitalWrite(led1,HIGH);
}
else
{
digitalWrite(led1,LOW);
}
delay(1000);
}