Waveshare Open407V-C Testing Manual page 26

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Operation and Result
Message/info will be displayed on the LCD, and JOYSTICK can be used for simulating the mouse and controlling
movement of the computer and mouse.
(2) USB_Device_Examples--MSC
Hardware Connection
·
Connect the PC and the Core board by USB Cable.
·
Connect the Micro SD Storage Board (with SD card) to the board via SDIO interface, Should open LEDs jumper.
As shown in the figure below:
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Open407V-C\Open207V-C Testing Guide