I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless ...

This library makes getting a compass heading from an HMC5883L Magnetometer very simple, it includes adjustment for your local Magnetic Declination which can be entered directly in degrees minutes and ...

Remember to always use the latest code version! Any previous versions may not work properly, although you can try to use them anyways if you'd like to. The newest version is "V2.1" found in releases.