I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless control to Arduino or ESP8266 projects. In this video, I’ll walk you through ...

The Artemis Watch 2.0, made by CircuitMess, is a $129 programmable smartwatch designed less as a gadget you wear and more as something you can digitally rebuild into your own creation.

Build for monitoring, buy for safety.

Bluetooth is baked into just about everything these days, from wireless earbuds and fitness trackers to laptops, cars, and smart home devices. In 2025 alone, there were an estimated 5.3 billion ...