Add-on dossier

Hall-effect RPM timing

A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.

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motion sensor timing

The firmware documents a hall-effect sensor interrupt, RPM calculation, and timing loop used to align the POV output with spinner rotation.

Badge
LayerOne 2024 POV Spinner Badge
Type
motion sensor timing
Status
source-backed
Compatibility
LayerOne 2024 POV Spinner Badge
Source
https://raw.githubusercontent.com/charlie-x/LayerOne_2024/main/L1_POVSpinner/L12024POV/main.c

Badge context

Related Resources

Source trail

Evidence Sources

GitHub / charlie-x · retrieved 2026-05-15

L1_POVSpinner main.c

Firmware source proving the 12 LED outputs, hall-effect sensor timing, RPM calculations, sleep behavior, button-driven mode changes, and POV drawing implementation.

Badge: LayerOne 2024 POV Spinner Badge

GitHub / charlie-x · retrieved 2026-05-15

LayerOne_2024 README

Primary technical source proving the POV Spinner was part of the LayerOne 2024 Conference badge and documenting LED POV behavior, Kraken programmer context, build paths, flashing, and image-header workflow.

Badge: LayerOne 2024 POV Spinner Badge