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Sonoff TH16 not starting with ds18b20 sensor attached.

HI All


I have 1 x sonoff th16 in place with a Sonoff AMS-DHT22 Humidity and temp sensor working fine and well.


I have since bought 2 x more with 2 x sonoff ds18b20 sensors.


when a ds18b20 sensor is plugged into a TH16 device and powered up the unit fails to start. all 3 work with the AMS DHT22 sensor but all three fail to start when a ds18b20 sensor is plugged in.


I have soldered my own 2,5mm 4 pole jack onto prototyping wires and dupont connectors to test and when the poles are reversed the unit will start up and read ODD temps (4c in a 20c room)   


i have removed from the shell and ensured that the shell is not blocking proper jack insertion and thats all ok??


I thought the device should automatically recognise the sensors attached?


Please advise??


thanks in advance

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