#rp2040

Vishalsoniindia built an RP2040 smartwatch around a Waveshare round touch display, with a Tinkercad-designed case and full build files for anyone who wants to follow along.

Henner Zeller built a wristwatch that displays the time by charging glow-in-the-dark tape with a UV LED array as it scrolls past, spotted at Supercon 2024.

ddominik's open-source RP2040 smartwatch skips fitness tracking in favor of a 5mW laser pointer, retro PWM tunes, and other deliberately unnecessary features.

What started as Umut Sevdi's senior engineering project is now open-source bare-metal firmware that turns an RP2040 board into a smartwatch with a companion Android app.