Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board - 3DMakerWorld, Inc.
Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board - 3DMakerWorld, Inc.
Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board - 3DMakerWorld, Inc.

Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board

Regular price $18.36
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Key Features:

  • Accurate and intelligent alternative to the much simpler Humidity and Temperature Sensor - SHT15 Breakout
  • I2C digital humidity sensor
  • Breakout board that includes the Filtered version (to keep the sensor clean), a 3.3V regulator and I2C level shifting circuitry
  • Fully assembled and tested - some basic soldering required

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 52% when it feels more like 77%. Enter the HTU21D-F Temperature + Humidity Sensor - the best way to prove the weatherman wrong!

This I2C digital humidity sensor is an accurate and intelligent alternative to the much simpler Humidity and Temperature Sensor - SHT15 Breakout. It has a typical accuracy of ±2% with an operating range that's optimized from 5% to 95% RH. Operation outside this range is still possible - just the accuracy might drop a bit. The temperature output has an accuracy of ±1degC from -30~90degC.

Such a lovely chip - so Adafruit came up with a breakout board that includes the Filtered version (the white bit of plastic which is a PTFE filter to keep the sensor clean), a 3.3V regulator and I2C level shifting circuitry. This lets you use it safely with any kind of microcontroller with 3.3V-5V power or logic. Each order comes with one fully assembled and tested PCB breakout and a small piece of header. You'll need to solder the header onto the PCB but it's fairly easy and takes only a few minutes even for a beginner.

Item Specifics
Size: 18mm x 16mm x 2mm / 0.7" x 0.6" x 0.08"
Weight: 1g
I2C 7-bit address:  0x40


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