Si7021 Humidity and Temperature Sensor Hookup Guide
Contributors:
Joel_E_B
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.
LED Cloud-Connected Cloud
Make an RGB colored cloud light! You can also control it from your phone, or hook up to the weather!
Weather Meter Hookup Guide
How to assemble your very own weather meter!
MicroMod Weather Carrier Board Hookup Guide
A quick guide to help to create your own MicroMod weather station using the MicroMod Weather Carrier Board and Processor of your choice.
Qwiic Kit for Raspberry Pi V2 Hookup Guide
Get started with the SGP40, BME280, VCNL4040, and microOLED via I2C using the Qwiic system and Python on a Raspberry Pi! Measure VOC Index, light, temperature, humidity, and pressure from the environment. Then display them on the microOLED, serial terminal, or the cloud with Cayenne!
Or check out this blog post for ideas.