https://hackaday.com/2022/11/21/driving-e-paper-displays-with-memory-limited-mcus/
Measurement links
https://www.eevblog.com/forum/projects/ws2812b-leds-power-consumption/
https://learn.adafruit.com/sipping-power-with-neopixels/insights
Potato stuff
https://www.instructables.com/Using-the-Arduino-Uno-to-program-ATTINY84-20PU/
https://dronebotworkshop.com/epaper/
https://workforce.libretexts.org/Bookshelves/Electronics_Technology/Book%3A_Electric_Circuits_VI_-_Experiments_(Kuphaldt)/03%3A_DC_Circuits/3.16%3A_Potato_Battery
https://environment.co/how-to-make-a-potato-battery/
https://www.smithsonianmag.com/innovation/a-potato-battery-can-light-up-a-room-for-over-a-month-180948260/