Regarding interesting boards with the ice40, I recently saw an ice40 development system that is integrated into a microSD card and can be programmed by plugging

Regarding interesting boards with the ice40, I recently saw an ice40 development system that is integrated into a microSD card and can be programmed by plugging into your PC: https://news.ycombinator.com/item?id=39933917 https://news.ycombinator.com/item?id=39933917 Looks like you can then put the card into one of those microsd breakout boards and use it like a processor module.