Cheap Green Laser Examination

Mike from mikeselectricstuff, the YouTube channel that received second place in the Top 5: Electrical Engineering Channels on YouTube, has been busy looking into (not with his eyes) an inexpensive green laser. The video covers a look at a green laser and driver board that he’s using for a project. It includes some good electronic theory explanation and hand-drawn circuit diagram using an unregistered version of DaveCAD… If you understand that last sentence, well done.