We bought two LoPy modules with expansion boards and antennas. When we tried to communicate between them using the codes in documentation i.e, Lora mac, Lora to Lora . W e are getting b" as result that is an empty buffer. Please help us.
Thanks. It is working.
Please update to the latest firmware! If you are running an earlier version, you may be running into a bug that was present in an earlier version!
You can check which version of the firmware you are using, with these commands:
import os os.uname()