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General discussion • DS18B20 Temp sensor randomly disappearing

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Hi everyone,

I have a small little project just to measure my room temperature, purely for data purposes.

But I keep having a intermittent issue with the sensor, whereby it randomly will disconnect followed by some null looking devices emerging under the normal place for one wire connections.

The wiring is fine, nothing is loose, it has the 4.7k ohm resistor and the issue only occurs once a week, with no explanation.

My only ideas are something to do with the router which right next to it, could that have any effect, but that might just be my superstition and that there is an lcd i2c also connected which may cause some power issues (using official power supply for the pi (3b+))


My only fix for the issue is a full power reset

Any ideas on what could be causing the disconnection of it?

Statistics: Posted by RaspbianUser1 — Sat Mar 16, 2024 11:34 am



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