4 layers90 × 90 mm

FlightComputer
jbrown3859/EE175-SeniorDesign
CubeSat Flight Computer and Radio - EE175 Senior Design F22
83 parts3
Boards in 2 GitHub repositories, designed in KiCad, that use the STM32F103VCT6 by STMicroelectronics (-40℃~+85℃ 12bit 12bit 256KB 2V~3.6V 32 Bit 48KB 72MHz 80 ARM Cortex-M3 Built-in FLASH LQFP-100(14x14) Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the STM32F103VCT6’s symbol, footprint and pinout are on its own page.

jbrown3859/EE175-SeniorDesign
CubeSat Flight Computer and Radio - EE175 Senior Design F22

punkfab/pcb-corpus
235 real KiCad boards from open-source hardware repositories, prepared as a placement and routing benchmark