Passive magnetic controllers

MagPie: magnetic buttons and a proposed gamepad scenarioMoving the mechanical module changes its magnetic signature
MagPie prototypeMagPie: magnetic buttons and a proposed gamepad scenario
  1. Moving the mechanical module changes its magnetic signature
© Insu Kim et al.; CHI 2025 / Chung-Ang University and Korea University · Source ↗

A passive button or lever changes the phone sensor’s magnetic field. MagPie is a research prototype for customizable mechanical input.

Design tips

  • Test magnetic interference and combinations of simultaneous inputs.

Examples