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.
MPL3115A2 Pressure Sensor Hookup Guide
Getting started with the MPL3115A2 Pressure Sensor.
T5403 Barometric Pressure Sensor Hookup Guide
T5403 Barometric Pressure Sensor Hookup Guide
SparkFun BME280 Breakout Hookup Guide
A guide for connecting the BME280 sensor to a microcontroller, and for using the SparkFun Arduino library.
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.