On 05/25/2017 07:31 AM, Fred Jan Kraan via cctalk wrote: > This is indeed very easy to implement, I did it in less than a day, > including some doc: https://fjkraan.home.xs4all.nl/digaud/arduino/FDDExer/. Nice--I did a similar one using a $4 Maple Mini clone. (STM32F103). Again, as you say, simple. --Chuck