LILYGO's T-Watch Ultra is an ESP32-S3-based smartwatch development platform that appears to be an upgrade over the previous T ...

Daniel Ansorregui has developed LightInk, an open-source solar-powered E-ink watch inspired by 90s solar digital watches. It ...

It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for analog circuits, but can fall short with programmable logic. Tools like ...

A new set of ESP32-based projects showcases the microcontroller’s adaptability, featuring builds from retro gaming devices and virtual pets to interactive LED art and AI-enhanced gadgets. The ...

Cheap and cheerful.

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The little board from an Italian university with its easy to use dev environment ...

This library allows you to make the ESP32 act as a Bluetooth Keyboard and control what it does. The BleKeyboard interface is almost identical to the Keyboard ...

/*To use the built-in examples and demos of LVGL uncomment the includes below respectively. *You also need to copy `lvgl/examples` to `lvgl/src/examples`. Similarly for the demos `lvgl/demos` to `lvgl ...