todo
- get some buttons / switches / toggles
- figure out ux
- get trashed kettle
- refine ux
- model it
links
https://www.friendlywire.com/tutorials/rotary-encoder/
sound
gieger counter clicks instead of whistling "the gadget"
construction
boards
stm32f411e-disco stm f401re nucleo
LEDs
fuck leds
temperature
https://hoytmeter.com/analog-panel-meters/industrial-series.html?page=4
encoder
Bourns PEC11H Series