there of couple of ways to find out :). Hugo and I discussed to add some temperature monitoring from
* T='cat /sys/class/thermal/thermal_zone0/temp'
* mosquitto_pub -h $MQ -t mygateway/tmp -m "$H $T"
:: replace 's for backticks
or maybe better to send by a loragateway package ....
We are also considering to add a heatsink, but first off all, let's if there is a problem...