4 layers41.1 × 96.6 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the STM32U031F8P6 by STMicroelectronics (-40℃~+85℃ 1.71V~3.6V 12KB 17 32 Bit 56MHz 64KB ARM Cortex-M0+ Built-in+External FLASH TSSOP-20 Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the STM32U031F8P6’s symbol, footprint and pinout are on its own page.


nokia-steward/Wearables-BatteryFree-Frontend
This project includes the hardware and software design of a battery-free wearable device with fast-charging capability, developed by Nokia Bell Labs.