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.

Photon Remote Temperature Sensor

Learn how to build your own Internet-connect, solar-powered temperature collection station using the Photon from Particle.

MicroMod Environmental Function Board Hookup Guide

The SparkFun MicroMod Environmental Function Board adds additional sensing options to the MicroMod Processor Boards. This function board includes three sensors to monitor air quality (SGP40), humidity & temperature (SHTC3), and CO2 concentrations (STC31) in your indoor environment. To make it even easier to use, all communication is over the MicroMod's I2C bus! In this tutorial, we will go over how to connect the board and read the sensors.

SparkFun Thing Plus - NINA-B306 Hookup Guide

A quick guide to get started using the SparkFun Thing Plus - NINA-B306. This Thing Plus is loaded with the Arm Cortex-M4 processor in the NINA-B306 along with on-board motion and environmental sensors in the ISM330DHCX 6DoF and BME280 pressure and temperature sensor.