Hardware
Hardware: components, molecules, projects, and equipment with symbols, footprints, and 3D models.
2 hardware pages matching
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board
Wrist Health Tracker
3DDS
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.
board
MadiReader V1
3D
ESP32-S3 E-reader board with lithium charging, E-ink display, and USB-C