Will Cogley on MSN

Arduino servo tester with channel update

Build a 16 channel servo tester using Arduino and 3D printing, with a simple setup and updated channel control for smoother ...
note

[Arduino] Checking if the room light is on from the outside. Building a "Door-Through Lighting Indicator" that runs with auto-calibration and ultra-low power consumption

Have you ever been in a situation, whether in a conference room, a private office, or a room in your own home, where you can't tell if someone is inside (or if the light is on) from the outside ...