TL;DR
The Adafruit TMAG5273 3D Hall Effect Magnetometer Breakout is a compact sensor that measures magnetic fields along three axes—X, Y, and Z. This low-power device is perfect for both industrial applications and personal projects. It includes three independent Hall-effect magnetometers and features a 12-bit analog-to-digital converter (ADC) that transmits data over I2C. Additionally, it has a built-in thermometer for basic temperature readings, making it quite versatile.