This tiny board can be stacked with other Feather “wings” made by Adafruit (to accessorize it with more IO, like Display, Ethernet, etc):
Featured in Hackspace Magazine issue 34 (see page 40 in the free PDF):
This is sure to be majorly Alpha-quality, BTW! Dragonslayers only.
- 500 MHz CPU
- 128 MB RAM
- MicroSD card slot for the OS
The Adafruit feather specification is here.