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The arduino watch dog timer is activated, however it does not trigger when the hangup occurs as the arduino program loop still runs.

I presume that a receive callback or a call to LoRa.parsePacket() returns either nothing or a complete packet, so I do not ever have to handle partial packets.

I am designing a master-slave LoRa link between two Arduino Pro Micros. The goal is to control a car heater a few hundred meters from my home. The master sends a command to the slave as needed. The slave acknowledges the command.

I am designing a master-slave LoRa link between two Arduino Pro Minis. The goal is to control a car heater a few hundred meters from my home. The master sends a command to the slave as needed. The slave acknowledges the command.

It can be either the master or the slave end that hangs up. Power cycling only the hung up unit will restore communications. My simple protocol will then resyncronize itself and continue running.