Hi phil15,
The sketches I used in my previous experiments may be helpful. (My LoRa module has changed firmware and no longer accepts AT commands, so I can’t get it working again.)
LoRa_TxRx.zip (5.2 KB)
You may also find the following links helpful.
‘Node using XIAO_nRF52840 and Grove-LoRa-E5 running on AT commands, sleep current 6.4uA’