Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
Hackaday reports a 10 EUR workshop kit for soldering electrode pads to a sacrificial USB-C cable, including a demo where pads on the temples sensed left/right eye movement.
Badge context
Badge.Team entry point for the Hatchery app repository used by card10.
Hands-on report documenting late assembly, ECG-pad workshop use, documentation quality, and RTC/watch caveats.
Official project homepage and update notes.
Camp 2019 talk introducing the badge, biosensors, BLE, interh4cktions, and camp integration.
Post-camp talk on firmware, Hatchery, BLE, sensor, companion-app, and reuse evolution.
Source trail
Notes card10's Hatchery app repository relationship.
Field report for late badge assembly, ECG pad kit, developer workshop, RTC/watch caveat, MicroPython and Hatchery notes.
Primary facts for event, name, and sensors.
Post-event lifecycle source for firmware, Hatchery, BLE, companion app, sensor, and reuse evolution.
Primary talk source for badge purpose, biosensors, BLE, extension space, and camp app/interh4cktion workflow.