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Serial Module

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CH340 USB to TTL module transfer lines STC downloader

1,onboard CH340 USB to RS232 interface conversion chip.

 

2,onboard power light.

 

3,onboard USB male head, convenient to connect the computer.

 

4,TTL chip pins has led to facilitate communication with microcomputer

 

5,working voltage: 5 v.

 

6,board size: 18.2 (mm) x15 (mm).