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CH340G土豪金USB转TTL模块
usb转ttlch340g土豪金CH2012
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土豪金CH340G模块串口模块
CH340G土豪金 代替PL2303 USB转TTL 刷机线下载转串口 升级版
CH340G土豪金USB转TTL串口模块232下载器电子单片机兼容3.3V 5V
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