Vector and polarity

Physics Toolbox: three field components and total magnitude over timeCurves show measurements changing over time
Physics Toolbox MagnetometerPhysics Toolbox: three field components and total magnitude over time
  1. Curves show measurements changing over time
© Chrystian Vieyra · Source ↗

Field components can define direction or distinguish magnet positions. Comparing signs requires a consistent phone coordinate frame.

Design tips

  • Subtract the background field and keep phone orientation fixed.

Examples