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USB to parallel port, serial port circuit diagram (ch341)
Source: InternetPublisher:方世玉223 Updated: 2017/03/06
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![](http://www.eeworld.com.cn/circuit/upload/538a1bc8a409ff500dc8e0cb6c6d7ecb/65cc3046-3c64-11ec-9061-086126841eb8.jpg)
![](http://www.eeworld.com.cn/circuit/upload/538a1bc8a409ff500dc8e0cb6c6d7ecb/65ce050a-3c64-11ec-9faa-086126841eb8.jpg)
![](http://www.eeworld.com.cn/circuit/upload/538a1bc8a409ff500dc8e0cb6c6d7ecb/65d09d24-3c64-11ec-92a2-086126841eb8.jpg)
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