Waveshare Open407V-C Testing Manual page 36

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After installed the driver, a USB VCP (Virtual Com Port) exists on the PC. As shown in the figure below:
(4) USB_Device_Examples--MSC
Hardware Connection
·
Connect a USB flash drive to the USB3300 USB HS Board HOST receptacle. As shown in the figure below:
Operation and Result
Message/info will be displayed on the LCD, the example code will place a TXT file into the USB Flash Drive; list
the files in the USB Flash Drive.
(5) USB_Device_Examples--HID
Hardware Connection
·
Connect a USB Keyboard or USB mouse to the USB3300 USB HS Board HOST receptacle. As shown in the figure below:
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Open407V-C\Open207V-C Testing Guide