樹莓派4 連接EC200s

1.通過USB轉串連接 2.~lsusb  [email protected]:~ $ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 007: ID 2c7c:6002 Quectel Wireless Solutions Co., Ltd.  Bus 001 Device 0

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