Wrist Health Tracker - hardware/schematic.pdf - Adom Wiki

A wrist-worn nRF52840 health tracker for sleep-quality scoring: heart rate, HRV, SpO2, steps and skin temperature, logged to flash and synced over BLE to a home server. Four-layer 32 x 30 mm KiCad board with single-sided assembly, a 3D-printed 35.7 x 33.9 x 9.95 mm case and a magnetic pogo-pin dock.

hardware board pcb kicad wearable health-tracker nrf52840 ble ppg heart-rate hrv spo2 sleep max30101 bmi270 tmp117 imu low-power jlcpcb enclosure 3d-printed cadquery

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TylerK Wrist Health Tracker: KiCad project, fabrication files, 3D models, enclosure and dock CAD, design docs d433b2a 7h ago

Binary file: schematic.pdf