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USB转串口下载CH340模块2303/232
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USB转TTL1.2V1.8V2.5V3.3V5V串口转USBCH340模块1.8V烧录CH343G
CH340GLXRS232升USB转TTL模块
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开发工具>>仿真器/下载器
USB转TTLCH340G模块下载线
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