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C500630_CH340S (C109467) USB to print parallel port

Overview

This solution is an independent solution verification board for the USB to print port chip CH340S. Through this PCB, the USB port on the computer and the parallel port of the printer can be converted to each other. CH340S is a full-speed USB device interface, compatible with USB2.0, with built-in pull-up resistor, which can achieve application layer compatibility.

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Design Files

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Update:2025-05-21 10:43:09

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