Lemontree

Type-C interface USB to serial port (CH340B)

Overview

There is no silk screen placed on the board. You need to solder by yourself according to the PCB and schematic diagram, which is a bit troublesome (the schematic diagram and PCB are in the attachment).

Qinheng official website configuration tool link: https://www.wch.cn/downloads/CH34xSerCfg_ZIP.html

Physical map:

Physical picture 1 Physical picture 2 Physical picture 3

Test (CC line, connected to computer):

Test (PC)

Test (CC line, connected to mobile phone):

Test (mobile phone)

control

Design Files

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Update:2025-08-08 18:59:17

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