Macropads can be as simple as a few buttons hooked up to a microcontroller to do the USB HID dance and talk to a PC. However, ...

In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want, it uses rgb LEDs that are controlled by an Arduino-based microcontroller that ...

Build a low-power smart sensor system with a tailored board, MOSFET switching, and ESP32 deep sleep, giving up to 1.7 years usage between charges ...

My colleague Lewin on the other side of the world has recently bought himself a new camera. It’s a very cute little thing, a Kodak Charmera, the latest badge-engineered device to carry the ...

Adguard VPN is a commercial VPN solution, but the company has decided to open-source the VPN protocol and named it TrustTunnel. It's described as a ...

A wide of array of advanced controllers arrived in 2025, marked by high integration and enhanced intelligence in solutions ...

To enable intelligent chess play, the project uses Stockfish, a free open-source chess engine that decides the robot’s moves. Python programming connects the ESP32, sensors, and the Stockfish engine, ...

The Zerowriter Ink features a 60% mechanical keyboard with Kalh Choc Pro Red low-profile switches and keycaps, a microSD card reader for removable storage, a USB port that allows you to charge your ...

The tiny Pico has some niche advantages over full-fledged Raspberry Pi boards ...

There’s an interesting development in amateur ballooning: using so-called superpressure balloons, which float high in the ...

The 2026 Consumer Electronics Show (CES) at the Las Vegas Convention Center (LVCC) is fading into the past, but its impact continues to grow. This is my take on this year’s CES, albeit one that ...

The Xteink X4 is a compact eBook reader that’s smaller than most smartphones. In fact, it’s so small that the company positions it as an eReader that sticks magnetically to the back of a phone, ...