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

How to make a servo tester using ATtiny85 micro chip

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...