This time, however, [Tim] decided to actually show how this can be done by removing some of the integrated circuits from an electronic dice and relying entirely on the 555 timer for his build.

DIY Pomodoro project uses ESP32 microcontroller, not a Pi ESP32 is great for IoT projects needing Wi-Fi, Bluetooth Rukenshia designed and shared guide for making e-ink timer I'll admit it; I usually ...