[Andrew] got a little help from his friends to hack a laser distance meter. Using laser distance meters as sensors is one of ... option seemed to be using the Arduino to simulate button presses ...

The YouTube channel DIY Builder has published and created a DIY Arduino laser engraver which ... I am making an Awesome mini laser engraver from old DVD writers. It’s an amazing machine.

If you are interested in building your very own mini DIY LiDAR sensor for less than $40, capable of detecting objects in a 360° area, you may be interested in a new Arduino Instructables project ...

[Neumi] wrote in with a sweet robotics hack. It’s a 2D laser distance sensor (YouTube) made with a cheap line laser and an optical mouse’s flow-sensor chip used as a low-resolution camera.