2 layers43.8 × 50.8 mm

MagicFlash64
zschunky/magicFlash64
magicFlash64 is kernal replacement for the Commodore 64 and can be directly erased/programmed from the Commodore 64.
29 parts22GPL-3.0
Boards in 2 GitHub repositories, designed in KiCad, that use the ATMEGA48-20PU by Microchip Technology (-40℃~+85℃ 10bit 2.7V~5.5V 20MHz 23 256Byte 4KB 512Byte 8 Bit AVR Built-in FLASH PDIP-28 Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the ATMEGA48-20PU’s symbol, footprint and pinout are on its own page.

zschunky/magicFlash64
magicFlash64 is kernal replacement for the Commodore 64 and can be directly erased/programmed from the Commodore 64.

healyf3/christmas_tree_pcb
This pcb consists of tlc5940 led drivers and an mq3 that light up 37 rgb leds using Kicad version 4