/*
Project: Laser Sensor Module
Author: Hay Chhuy
Last Updated: 20240917
Version: 1.0 (initial verrsion)
*/
#define pinLaser 2
#define pinReceiver 3
#define pinLED 4   // red
// use to trigger Web Server
#define pinWSTrigger 5 

void setup() {

  Serial.begin(9600);
  pinMode(pinLaser, OUTPUT);
  pinMode(pinReceiver, INPUT);
  digitalWrite(pinLaser, HIGH);
  pinMode(pinLED, OUTPUT);
  digitalWrite(pinLED, LOW);
  pinMode(pinWSTrigger, OUTPUT);
  digitalWrite(pinWSTrigger, LOW);
  
}

void loop() {

  bool value = digitalRead(pinReceiver);
  
  /* Simulation Only: setting value to 0 or 1 
  where 1-> red LED ON, Default value is 0 */
  value = 1;
  /* end simulation */

  Serial.print("receiver value: ");
  Serial.println(value);
  // 1: broken laser line
  // 0: no broken line
  
  // highlight LED when broken laser line
  digitalWrite(pinLED, value);
  // refresh trigger pin value
  digitalWrite(pinWSTrigger, value);
  delay(500);

}