[over9k] used his Arduino to set up a laser trip wire. The laser is mounted along side the Arduino, reflects off of a mirror, and shines on a photoresistor that interfaces via a voltage divider. Th… ...

In this project, we create a joystick-controlled laser by connecting two servos to a joystick and using this setup as a pan-and-tilt controller for a ...

Arduino Laser Pinball ... Watch on Posted in Arduino Hacks Tagged erector set, friggin lasers, front desk bell, meccano, pinball, ping pong ball ...

Dubbed the “Cat Laser Tower”, the build consists of two servos to move the laser about, some 3D printed housings to hold them and provide pivot points, a small laser and an Arduino to make ...

Laser cutters are great DIY tools, but they're pretty expensive. If you'd prefer to build your own, Instructables user SilverJimny shows you how using an Arduino.

There are approximately a zillion DIY laser engraver tutorials on the Web, but of all the homemade builds we've come across, this one from Instructables user MichielD99 is definitely one of the best.

How to create a simple laser trip wire alarm, taken from theArduino Project Handbook: 25 Practical Projects to Get You Started.

Build your own interactive laser chasing toy for your dog using Arduino! In this DIY project, we use simple components like a laser module, servos, and motion logic to create a fun, automated game ...