Just saw this in one of my newsletters. Looks like a neat idea. Now we have a use for those poorly-spec'd AVRs!
https://www.powerelectronics.com/po...c4be3757d597ca914a&oly_enc_id=2127J7762501H5G
https://www.powerelectronics.com/po...c4be3757d597ca914a&oly_enc_id=2127J7762501H5G