Main components

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Part NumberDescription
74HCT00
74HC125
74HCT1383-to-8 line decoder/multiplexer inverting, DIP-16/SOIC-16/SSOP-16
74HCT32
74HC04Hex Inverter
74HCT125
74HCT74
74HC00quad 2-input NAND gate
74HCT04
74HC32
74HC08
74HC157
74HC74Dual D Flip-flop, Set & Reset

B0 schematic

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B0 board layout

B0 PCB render

Top PCB
Bottom PCB