MacTap
Knock on your MacBook to trigger shortcuts, using its built-in motion sensor
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It is a small, well-made reminder that the hinge sensor in Apple silicon laptops can drive the interface, not just sleep.
Shut is a menu bar app for Apple silicon MacBooks on macOS 14 or later. It reads the built-in hinge angle sensor and plays an animation that tracks the lid as you close it, choosing from eight styles such as Fold, Sinkhole, Frost and Shutter. A tuner lets you adjust spring physics, and the sensor signal is smoothed with filtering and calibration so the effect follows your hand rather than a timer. MIT licensed and free.
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