How to replace defect dallas sensor

[RonnieLast (Last of the Ronnies)]

Just check that you’re not hitting the same issue as I had (took me a month!):

ESPHome temperature DS18B20 entities unavailable, but works just fine in logs

Right, at long last I fixed this. I’ll record my stupidity here in lieu of a public flogging. I had a number of ESP32 devices - some test ESP32 setups on breadboard and others were loose modules. I had previously setup my two Dallas probes on the breadboard ESP32 and imported them into HA and they worked fine. I then moved the same two probes over to a loose module in preparation for deployment at my central-heating system. The problem that I didn’t realise was that the individual Dallas ID nu…