https://learn.adafruit.com/using-lorawan-and-the-things-network-with-circuitpython https://github.com/adafruit/TinyLoRa
- Pi 3V to Radio VIN
- Pi GND to Radio GND
- Pi SCK to Radio SCK
- Pi MOSI to Radio MOSI
- Pi MISO to Radio MISO
- Board D5 to Radio G0
- Board D6 to Radio CS
