2 layers66 × 57 mm

Boards in 1 GitHub repository, designed in KiCad, that use the STM32L031F4P3 by STMicroelectronics (-40℃~+125℃ 1.8V~3.6V 15 16KB 1KB 32 Bit 32MHz 8KB ARM Cortex-M0+ Built-in FLASH TSSOP-20 Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the STM32L031F4P3’s symbol, footprint and pinout are on its own page.
