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Adafruit Industries HTU21D-F User Manual

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Adafruit HTU21D-F Temperature & Humidity Sensor
Created by lady ada
Last updated on 2016-08-24 05:33:19 PM UTC
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Adafruit Industries HTU21D-F Specifications

General IconGeneral
Sensor TypeDigital Humidity and Temperature Sensor
Communication InterfaceI2C
Operating Voltage1.5V to 3.6V
Temperature Accuracy±0.3°C (at 25°C)
Temperature Range-40 to +125°C
Humidity Range0 to 100 %RH
Humidity Accuracy±2% RH
Response Time (humidity)8 seconds

Summary

Overview

Pinouts

Power Pins

Details the VIN, 3V3, and GND pins for powering the sensor and its voltage regulator.

I2C Logic pins

Explains the SCL and SDA pins required for I2C communication with the sensor.

Assembly

Prepare the header strip

Instructions for cutting and preparing the header strip for soldering to the breakout board.

Add the breakout board

Guide on positioning the breakout board over the header pins for soldering.

And Solder!

Steps for ensuring reliable electrical contact by soldering the pins to the board.

Wiring & Test

Download Adafruit HTU21DF

Load Demo

Steps to download the library and upload an example sketch to test the sensor.

Library Reference

Downloads

Files & Datasheets

Provides links to essential resources like datasheets, Fritzing objects, and PCB files.

Schematics

Presents the circuit schematic diagram for the HTU21D-F sensor breakout board.

PCB Print

Displays the physical dimensions and layout of the sensor's printed circuit board.