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September 22, 2016 AT 4:33 pm

NEW GUIDE: Adafruit Si7021 Temperature + Humidity Sensor #AdafruitLearningSystem

Temperature 3251 00

NEW GUIDE: Adafruit Si7021 Temperature + Humidity Sensor.

Get the current ambient temperature and humidity

It’s summer and you’re sweating and your hair’s all frizzy and all you really want to know is why the weatherman said this morning that today’s relative humidity would max out at a perfectly reasonable 42% when it feels more like 77%. Enter the Si7021 Temperature + Humidity Sensor – the best way to prove the weatherman wrong!

This lovely sensor for Silicon labs has ± 3% relative humidity measurements with a range of 0–80% RH, and ±0.4 °C temperature accuracy at a range of -10 to +85 °C. Great for all of your environmental sensing projects. It uses I2C for data transfer so it works with a wide range of microcontrollers.

See the full guide here and view the product here!


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