Introduction: Security Alarm Laser Detector or Sensor for Arduino Beginner

About: just a hobby.

Hi, guys today me and u all are going to make a laser detector work with a Arduino and piezo.

So how does it work. when the laser is blocked from the head of the module the piezo will

alarm up.

so lets start. :):):):):):):):):):):):):):):):):):):):):)!!!!!!!!!!!!!

Step 1: Gather Your Body Parts

1. Laser Detector (1)

2. Piezo (1)

3. Laser (1)

4. Arduino (1)

Step 2: Connect It to Your Body

The laser detector pins are:

VCC to 5V


OUT to pin 11

the laser pins are:

red wire or positive to pin12

blue wire or negative to GND

The piezo wires are:

positive to pin 13

negative to GND

Step 3: Give a Messge to Your Brain to Work

the code is:

Step 4: You Can Work by Your Self (body Functioning)


enjoy your sleep at night. :):):):):):):):):):)!!!!!!!!!!

Full Spectrum Laser Contest 2016

Participated in the
Full Spectrum Laser Contest 2016