Si7021 Humidity and Temperature Sensor Hookup Guide

Contributors:

Joel_E_B

Resources and Going Further

With that, you should now have a functional humidity and temperature sensing system. Check the links below for more information.

Si7021 Datasheet
Si7021 Breakout Board Schematic
Si7021 Breakout Board Eagle Files
Github repo containing all the latest files and code

Need some inspiration? Check out these other tutorials:

Make an automated terrarium that manages heat and humidity levels.
Build a humidor control box that maintains a constant humidity in a controlled space.

HIH-4030 Humidity Sensor Hookup Guide

Measure relative humidity with SparkFun's HIH-4030 Humidity Sensor Breakout.

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Learn how to connect your VEML6075 UV Sensor and figure out just when you should put some sunscreen on.

Wireless Remote Weather Station with micro:bit

Monitor the weather without being exposed to it through wireless communication between two micro:bits using the radio blocks! This is useful if your weather station is installed in a location that is difficult to retrieve data from the OpenLog. We will also explore a few different ways to send and receive data.