smallembedded

USB-TTL(N12 shell)

 
Overview

USB-TTL

It is an ordinary USB-TTL circuit, using the CH340G chip. It looks pretty good in the case.

 

N12 shell

Bought on Taobao, the cheapest one is less than one yuan. It looks good with the casing on

 

Finished product

 

It’s just that the USB-A was chosen incorrectly, I should have bought a sinking board. Then there is no diode and two wires are soldered.

It’s somewhat imperfect!

 

After testing programming for STM32 and 51, there should be no problem.

 

Finally, the files of the PCB box are attached.

PCB box file source: https://oshwhub.com/LSanor/jlink-ob_32f103

参考设计图片
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Update:2025-06-22 15:40:24

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