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 ...

We've all heard that "if you want something done right, you have to do it yourself." And that's usually fine when it comes to tasks at work or baking your own birthday cake. But if you want a specific ...

The PiBot CNC Pendant V4.0 is a handheld Bluetooth/RJ12-based controller designed for CNC machines running FluidNC and GRBL-HAL firmware. Developed by PiBot, with firmware support from ESP3D creator ...

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 ...

Rotary encoders are critical to many applications, even at the hobbyist level. While considering his own rotary encoding needs for upcoming projects, it occurred to [Jan Mrázek] to try making his own ...