Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board - STEMMA QT

Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board - STEMMA QT

Marsoni

M251S

$20.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board - STEMMA QTBeat the heat and prove the weatherman wrong with the HTU21D F Temperature + Humidity Sensor! This I2C digital humidity sensor is the perfect solution for accurately measuring both temperature and humidity, especially when it feels like the weather forecast just doesnt match what youre experiencing. With a typical accuracy of 2% for humidity and an optimized operating range from 5% to 95% RH, this sensor provides reliable readings in a variety of

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These are terribly greasy, causing blurry vision. The first ingredient is mineral oil! Prior to ordering I searched the listing for the ingredients list and found nothing. I went to the product's website and still found nothing. I read reviews, which were mixed. I ordered them anyway, foolishly, and threw them in the trash.

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Reviewed in the United States on May 25, 2026