I am reading several 1wire temparature sensors with a Raspi 3 with this node:
I wanted to start a heater when temperatures below 0 °C are reached.
But I realized, that the min value is always 0.
I don't know, how to contact the author @robquads.
As a workaround I read the "file" /sys/bus/w1/devices/28-000005fa6d46/temperature
and devide the output value / 1000.
It doesn't appear to have a github repository, which would be the usual place to submit an issue. I would generally not use a node that is not on github (or somewhere similar) unless there was no alternative, and there are several alternatives in this case I think.
you can check who registered it with npm and send a polite email asking if they want to fix it etc... npm owner ls node-red-contrib-1wire
That Node is not updated for 6 years.
You can try the other nodes that are update on a later date.
https://flows.nodered.org/search?term=DS18B20&type=node
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