### links
https://www.friendlywire.com/tutorials/rotary-encoder/
https://www.ebay.com.au/itm/267137021369
https://www.ebay.com.au/itm/267261776444
https://www.ebay.com.au/itm/267261776444
Weston Electrical Instruments Corp 301
Master Instruments S225
## construction

### boards

stm32f411e-disco
stm f401re nucleo

### LEDs

8x red / orange / nice

### temperature sensor
### encoder
Bourns PEC11H Series