4 layers82.8 × 33 mm
E ink watch
sandgum/Triangulate-ES_01-Watch
A 5mm thick smartwatch which uses an E-ink display and two OLEDs to display information while consuming very little power
162 parts22
Heart rate
6 boardsKiCad boards from 5 GitHub repositories tagged “heart-rate”, the most starred first; open any of them in PCBKit.
- 2 layers85.6 × 54 mm
Business card pcb
roepkefeller/business-card-pcb
A PCB business card that shows you your own pulse. Optical PPG sensor drives a ten-LED heart; NFC tag serves the vCard with the card switched off. ATtiny1616, MAX30102, CR2032.
59 parts1 - 4 layers85.4 × 48.3 mm
- 2 layers26.3 × 18 mm
Max30102 pcb
Habib-creater/MAX30102_Optical_Sensor_Board
MAX30102-based optical sensor board designed for embedded hardware development.
18 parts - 4 layers27 × 30.6 mm
PulseWristTrack
SimulatedFlow/kicad-board-2026-07-24-pulsewristtrack
PulseWristTrack - wearable wrist tracker PCB with Seeed XIAO nRF52840 Sense, MAX30102 pulse / SpO2 sensor, IMU and BLE. Bare PCB, KiCad source files.
18 parts - 4 layers27 × 30.6 mm
PulseWristTrack
SimulatedFlow/kicad-board-2026-07-24-pulsewristtrack
PulseWristTrack - wearable wrist tracker PCB with Seeed XIAO nRF52840 Sense, MAX30102 pulse / SpO2 sensor, IMU and BLE. Bare PCB, KiCad source files.
18 parts