How to build a laser trip wire alarm with Arduino As a preview of his latest book, Arduino Project Handbook: 25 Practical Projects to Get You Started, Mark Geddes takes us through the project to ...

In his YouTube video, he explains how an old hard drive can be transformed into a laser projector that can display numbers and texts (at most 20 characters) from a distance of up to 90 meters ...

Posted in Arduino Hacks, Games Tagged arcade game, arduino, laser pointer, shooter ← Build A Dog Ball Launcher That Kinda Looks Like A Dog A Microwave Frequency Doubler → ...