chaofan xu

https://www.csdn.net/BG2CRW

BEIJING

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                                            chaofan xu

请问stlink虚拟串口是支持dtr的吗？

看您图里有

请问您的GL852G工作正常吗，我按照您的原理图画的板子，插上显示未知USB设备

about PCB

How can i get this PCB, or how can i get this schemtic?