2 layers68.6 × 39.4 mm

Boards in 1 GitHub repository, designed in KiCad, that use the ATMEGA88PA-PU by Microchip Technology (-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 512Byte 8 Bit 8KB AVR Built-in FLASH DIP-28-300mil Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the ATMEGA88PA-PU’s symbol, footprint and pinout are on its own page.
