Y0,
I'll be at the Embedded Open Source Summit[1] in Prague next week. Send me a DM if you're also gonna be there and want to discuss the Pyra or just grab a beer :)
[1] https://events.linuxfoundation.org/embedded-open-source-summit/
I wanted to experiment with the Cortex-M4 co-processor of the Pyra to see if I could make it measure the volume wheel and issue an interrupt to the main CPU if the value changed. I think this could help reduce the power consumption of the Pyra by not forcing the main CPU to wake up every X ms...