4 layers27 × 50.3 mm

Boards in 1 GitHub repository, designed in KiCad, that use the STM32F401CEU6 by STMicroelectronics (-40℃~+85℃ 1.7V~3.6V 12bit 32 Bit 36 512KB 84MHz 96KB ARM Cortex-M4 Built-in FLASH UFQFPN-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the STM32F401CEU6’s symbol, footprint and pinout are on its own page.
