These are some great DIY projects that you can do for cheap.

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...

If you live near Central Park or some other local chess hub, you’re likely never short of opponents for a good game. If you find yourself looking for a computer opponent, or you just prefer playing ...

An animatronic eye is a mechanical device that is designed to mimic the movement and appearance of a real eye. The circuit we made is powered by Arduino, and can be used for a variety of applications ...

The real-life closeup image of a WS2812B LED is given below. You can see that the WS2812B die is connected to 3 individual LEDs namely Red, Green and Blue using gold wires. The video below shows the ...

This library is for creating Persistence of Vision displays using NeoPixel (WS2812B) or DotStar (APA102) individually addressable LED strips. For smooth effects, DotStars are strongly preferred, as ...

I have a friend (stop laughing -- it’s true -- I’m not going to proceed unless you get yourself under control -- thank you). We will call my friend Guido Bonelli (because that’s his name). Guido has ...