Small computing hardware

https://bret.dk/pi-zero-showdown/?fbclid=IwAR1_MYs9PL3L18oDOxtBTZdcyjs7b-TX2nf-Nmux8LX8jJsKpq2mxh2y4dw

https://www.st.com/en/microcontrollers-microprocessors/stm32-ultra-low-power-mcus.html

https://www.waveshare.com/wiki/Raspberry_Pi_Pico

software

http://cowlark.com/2021-03-10-fuzix-pi-pico/index.html