4 layers52.5 × 8.5 mm

SensWear V1R1-MainBoard
HeyPCB/senswear-kicad
Sens Wear's SensWear smart ring hardware, converted from their Altium design to KiCad 10. Design by Sens Wear (github.com/Sens-Wear/hardware), MIT.
77 partsMIT
Boards in 1 GitHub repository, designed in KiCad, that use the LP5562TME by Texas Instruments (-40℃~+85℃ 2.7V~5.5V 25.5mA 256Hz、558Hz 4 4% I2C Over-Temperature Protection (OTP) DSBGA-12 LED Drivers ROHS). See how each wires it, with its parts, size, README and files; the LP5562TME’s symbol, footprint and pinout are on its own page.

HeyPCB/senswear-kicad
Sens Wear's SensWear smart ring hardware, converted from their Altium design to KiCad 10. Design by Sens Wear (github.com/Sens-Wear/hardware), MIT.