http://talk.binarytask.com/task?id=5959519327505901449
Also hesitating between Java and C for the reference implementation.
Also waiting for better hardware:
LoRa is too closed and Zero uses too much energy!
The radio + screen + controls PCB should be one HAT.
No point in using a IPS screen that small, better would be a persistent state screen like memory LCD or ePaper.
Also looking at using a smaller OS than linux... so don't hold your breath!
The problem specifically is that on some chips you cannot control the frequency hopping manually!