a 5V to 3.3V level shifter with a single-sided PCB design simple enough that it can be etched at home
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Converts 5v to 3.3v
The single-sided PCB design is simple enough that it can be etched at home.
Uses two Texas Instruments: SN74LS126ANE4
Buffers & Line Drivers Quad Bus Buffer With 3-State Outputs
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