This repository contains a complete KiCad project for creating a PCB that implements the circuit design of Ian Ward in his YouTube video with the title of Homebrew CPU Project

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Main components

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Part NumberDescription
74LS00quad 2-input NAND gate
LM555
SST39SF040-70-4C-PHE

cpu schematic

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cpu board layout

cpu PCB render

Top PCB
Bottom PCB