this post was submitted on 21 Nov 2024
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These have to be the least accurate things I have ever seen.

The rectangular one is accurate or accurate enough and has been what I used but I noticed files all had cutouts for these round hygrometers...

Well from my 6 pack 1 is within a margin of error to even be useful.

I get they aren't expensive but seems like a waste of money for this bad.

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[–] [email protected] 2 points 3 days ago

@[email protected] True - but it really depends what you're measuring with BME280/680s though (680>280). As a combination temp/humidity/pressure they're excellent, but for humidity alone I think SHT gives better "expected" readings than BME.

Someone nerded it out on arduino forums about five years ago: https://forum.arduino.cc/t/compare-different-i2c-temperature-and-humidity-sensors-sht2x-sht3x-sht85/599609/10