const int e18_sensor = 7;
const int led = 2;
void setup() {
Serial.begin(9600);
pinMode (e18_sensor, INPUT);
pinMode (led, INPUT);
}
void loop() {
int state = digitalRead(e18_sensor);
Serial.println(state);
if(state==LOW){
Serial.println("Object Detected");
digitalWrite(led, HIGH);
}
else {
Serial.println("All Clear");
digitalWrite(led, LOW);
}
delay(1000);
}