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.

MS5803-14BA Pressure Sensor Hookup Guide

Breakout of MS5803-14BA Pressure Sensor to measure the absolute pressure of the fluid around them to determine altitude, water depth, or any other tasks that require an accurate pressure reading. This includes air, water, and anything else that acts like a viscous fluid.

SparkFun gator:environment Hookup Guide

The gator:environment combines two I2C sensors for temperature, humidity, pressure, eCO2, and eTVOC values. This tutorial will get you started using the gator:environment with the micro:bit platform.

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.