I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. ... Here is the diagram of my Arduino infrared close proximity sensor ...

Posted in LED Hacks Tagged candle, ir sensor, LED candle, mosfet, ws2812b Use The Force To Turn On This Lamp May 27, 2017 by Rich Hawkes 8 Comments ...

We’d seen it done with buttons, switches, gestures, capacitive touch, and IR remote, but never like this. [electron_plumber] made an LED that can be blown out like a candle, and amazingly it … ...