zhoudb 发表于 2021-7-7 10:32 There is no serial number on the back,There is a strange wire on PCB board。I didn't take a pictu ...
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晨皓小盆友 发表于 2021-7-25 21:08 连不上电脑也许是那两根红线?其中一根把USB的Data+和Data-短路了,电脑应该检测不到设备 ...
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