Main components

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Part NumberDescription
74HCT1G14Single Schmitt NOT Gate, Low-Voltage CMOS
74HC04Hex Inverter
74HC00quad 2-input NAND gate
AMS1117-3.31A Low Dropout regulator, positive, 3.3V fixed output, SOT-223

NPI schematic

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NPI board layout

NPI PCB render

Top PCB
Bottom PCB