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.
Si7021 Humidity and Temperature Sensor Hookup Guide
The Si7021 humidity and temperature sensor is an easy to use, digital, low-cost sensor to aid you in all your environment sensing needs.
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RHT03 (DHT22) Humidity and Temperature Sensor Hookup Guide
Measure relative humidity and temperature or your environment with the RHT03 (a.k.a DHT22) low cost sensor on a single wire digital interface connected to an Arduino!
SparkFun AS3935 Lightning Detector Hookup Guide (v20)
Are you worried about the looming clouds in the distance, how far away is that storm exactly? Add lightning detection with the AS3935 to your next weather station or your next bike ride!
Or check out this blog post for ideas.