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Originally Posted by astrodave
What sensors are you using? I have used Dallas DS1820s for years (for domestic,but not astro related temperature measurement) and found them a wonderful device, but their accuracy not as good as claimed. I've had to run calibration tests on them and apply corrections in software. If you are using the 1820 series - are you running them in the high precision mode?
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I am using the Dallas DS18B20 sensor it is the newer version of the ones you are use to using, I am still fine tuning the software for the microcontoller to get it to do every thing I want it to do, I am running the sensord in high precision mode but I am looking to drop the back to a +/- 0.1°C reading setting as that is all I need accuracy wise.
