Simple diy long-range obstacle detector/ Proximity sensor - YouTube
Arduino Line Follower Robot Code and Circuit Diagram
IR Transmitter and Receiver Module
How to make Infrared proximity sensor | with transistor - YouTube
IR Object Detection Circuit: IR LED and Photodiode Module
The Ultimate FM Transmitter (Long Range Spybug)
#goodbyebattery #clockwithoutbattery #solarclock #lifetimeclockbattery
Mini Oscilloscope
Laser
DIY laser projects for laser fans. Light and what you can do with it is fascinating. These projects all incorporate lasers.
