fruit-uk wrote:Is there any chance of self-heating in your setup?
I observed some self-heating in parasite power mode (5/16°C after 40 seconds of repeatable temperature reads).
rpiho wrote:I have temp measurement running with a DS18B20 on GPIO. I gives a temp measurement but after checking it is about 1 to 1.5 degrees C high when checked with a Fluke temp meter and compared with an other 1-wire setup using a Mac, digitemp and a LinkUSB 1-wire adapter.
what temperature do you try to measure?
could you measure temperature of some massive metal item to eliminate self-heating?