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正品芯片原装转串口大价优
MEGA2560 R3 改q进版 CH340G 配数据线 超实用 适用于3D打印机
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Mega25d60 Pro ATmega2560-16AU USB CH340G智能电子开发板
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量大批发nanoV3.0模块
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WIFI R3 ATMEGA2560 + ESP8266(32MB内存)USB-TTL CH340G
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