MicroView Digital Compass
Contributors:
AGlass0fMilk
AGlass0fMilk 
Resources and Going Further
There are a many more cool projects you can make with the MAG3110 sensor. If you combine the MAG3110 with a few other sensors, you can make a variety of projects that involve location and orientation sensing.
Check out Shawn Hymel's Adventues in Science: Using a Magnetometer as a Compass and example code for ideas:
For more sensor fun, check out these other great SparkFun tutorials:
VL6180 Hookup Guide
Get started with your VL6180 based sensor or the VL6180 breakout board.
TFMini - Micro LiDAR Module Hookup Guide
The TFMini is a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as close as 30 cm and as far as 12 meters! The TFMini allows you to integrate LiDAR into applications traditionally reserved for smaller sensors such as the SHARP GP-series infrared rangefinders.
Gator:starter ProtoSnap Hookup Guide
Get started clipping sensors and lights to the micro:bit with the gator:starter gator:board from SparkFun!
SparkFun Air Quality Sensor - SGP30 (Qwiic) Hookup Guide
A hookup guide to get started with the SparkFun Air Quality Sensor - SGP30 (Qwiic).