This video will describe how to interface the DS3502 digital potentiometer to a microcontroller. A Scamp3 board running FlashForth will control a 3 phase induction motor using a VFD as an application example.
ScampPOT.txt code:
https://www.dropbox.com/s/pwzsunn8yxf...
Scamp3:
https://www.tindie.com/products/johnc...
https://udamonic.com/what-is-a-scamp....
FlashForth:
https://flashforth.com/