Wrist Health Tracker - page.json

by TylerK

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.

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TylerK Set the part identifier to WRIST-HEALTH-TRACKER a2810aa 7h ago

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{
  "schema_version": 1,
  "slug": "wrist-health-tracker",
  "type": "component",
  "title": "Wrist Health Tracker",
  "brief": "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.",
  "version": "0.2.0",
  "kind": "board",
  "source": {
    "tool": "kicad",
    "version": "10.0.2"
  },
  "hero": {
    "type": "billboard",
    "headline": "Wrist Health Tracker",
    "subhead": "nRF52840 wrist tracker for sleep quality: board, enclosure and dock",
    "screenshot": "docs/hero.png",
    "chrome": false
  },
  "author": {
    "name": "TylerK"
  },
  "tags": [
    "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"
  ],
  "license": "proprietary",
  "visibility": {
    "public": true
  },
  "sample_prompts": [],
  "discovery_triggers": [],
  "discovery_pitch": null,
  "metadata": {},
  "created_at": "2026-10-21T01:00:00.000Z",
  "updated_at": "2026-10-21T01:00:00.000Z",
  "component": {
    "mpn": "WRIST-HEALTH-TRACKER",
    "manufacturer": "",
    "package": "",
    "pin_count": null,
    "category": "",
    "subcategory": "",
    "body_size": null,
    "parts": {},
    "distributor_links": {}
  }
}