2 layers177 × 114 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the ATMEGA644-20PU by Microchip Technology (-40℃~+85℃ 10bit 2.7V~5.5V 20MHz 2KB 32 4KB 64KB 8 Bit AVR Built-in FLASH PDIP-40 Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the ATMEGA644-20PU’s symbol, footprint and pinout are on its own page.


sammothxc/6502-stacked-cardputer
my Ben Eater 6502 Computer Kit personal repo