/*
  * Lesson 77: How to use a Laser Transmitter and Receiver 
  to detect obstacles using Arduino

 Written by Ahmad Shamshiri for Robojax.com
 on February 2, 2018 at 18:24 in Ajax, Ontario, Canada




 * Original library: https://github.com/guillaume-rico/SharpIR
 
 * Watch Video instruction for this code: https://youtu.be/ggrSmv99Cxs
 * 
 * Full explanation of this code and wiring diagram is available at
 * my Arduino Course at Udemy.com here: http://robojax.com/L/?id=62

 * Written by Ahmad Shamshiri on February 3, 2018 at 07:34
 * in Ajax, Ontario, Canada. www.robojax.com
 * 


If you found this tutorial helpful, please support me so I can continue creating 
content like this. Make a donation using PayPal: http://robojax.com/L/?id=64



 *  * This code is "AS IS" without warranty or liability. Free to be used as long as you keep this note intact.* 
 * This code has been downloaded from Robojax.com
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.

*/

#define DETECT 2 // pin 2 for  sensor
#define ACTION 8 // pin 8 for action to do something


void setup() {
  Serial.begin(9600);
  Serial.println("Robojax.com Laser Module Test");
  pinMode(DETECT, INPUT);//define detect input pin
  pinMode(ACTION, OUTPUT);//define ACTION output pin

  // Laser sensor code for Robojax.com

}

void loop() {
     // Laser Sensor code for Robojax.com

  int detected = digitalRead(DETECT);// read Laser sensor
 
  if( detected == HIGH)
  {
    digitalWrite(ACTION,HIGH);// set the buzzer ON
    Serial.println("Detected!");

  }else{
    digitalWrite(ACTION,LOW); // Set the buzzer OFF
    Serial.println("No laser");
     // Laser Sensor code for Robojax.com

  }
  delay(200);
}