Inspired by a Arduino based LIDAR system ... If you have a related laser project, be sure to let us know!

[Ronnie] built a laser trip wire complete with an LCD screen and keypad for arming and disarming the system. The brains of the project is an Arduino. There’s a keypad for inputting pass codes ...

With their cheap price tags, massive I/O provisions, and low power consumption, microcontrollers like the uber-popular ...