The Pomdoro technique of time management has moved on a little from the tomato-shaped kitchen timer which gave it a name, as [Rukenshia] shows us with this nifty ESP32 and e-paper design.

However, the relative data is interesting (even though ... a 3000 mAh battery provided 315 days of run time for the ESP8266 and 213 days with the ESP32. The fact that the hardware and software ...