import wavebricks

LoRaWAN.dev_addr = '680b286b'
LoRAWAN.app_session_key = '5f578d3ef40805ac45b345edefe5aef1'
LoRAWAN.net_session_key = '198a9e1defe60804310b93067ae7b50c'

LoRaWAN.connect()
send("Hello world!")