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Humidity accuracy range (10% RH to 95% RH): HTU21D ± 2% RH. There are only four pins that need to be hooked up in order to start using this sensor in a project.One for VCC, one for GND, and two data lines for I2C communication.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.