This DIY smartwatch for kids makes STEM fun

TL;DR: Give a gift that's both educational and fun with the Clockstar 2.0 Build & Code Your Own Smartwatch, on sale now for ...
Hackaday

Tick, Tock, Train Station Clock

We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train ...
EDN

Magnetometers: Sensing the invisible fields

A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...
YouTube on MSN

NAV LED lights for drones and RC planes | Arduino

All the info you need right here ✦ In this occasion I'll make a lighting system to be controlled remotely from my rc using Arduino compatible boards, they will take the input from a receiver and ...