The Ky-008 laser sensor contains a laser with a wavelength of 650nm. Simple to use, this digital sensor is compatible with arduino and other program development platforms.

You can use this sensor in many of your projects.

For example, you can make a security system using ldr or photo diode.

Specifications operating voltage : 5v number of pins: 3 pins (signal, +, -) wavelength: 650nm depth: 8mm