Usb Fs Example - Waveshare Open407V-C Testing Manual

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Operation and Result
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Put the audio file named "Audio.wav" on SD card root directory.
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Put the headset to the HEADPHONE jack.
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SD card audio file information displayed on the serial debugging assistant.
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Headset will output the music named Audio.wav on SD card root directory.
Overview
USB FS demo
Hardware Connection
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Short the 3 jumpers PA5-FLG, PA3-PWROUT and PA9-VBUS for the following test.

USB FS Example

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Open407V-C\Open207V-C Testing Guide