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Step 1: Connect the board to WIN7 through the USB data cable. After the WIN7 terminal is
recognized, Devicewell Audio Interface and Devicewell Digital Video will appear in the device list,
which represents the recognition ok, as shown in Figure 1.1.
Figure 1.1 Audio and Video nodes in the device manager
Step 2: Add a video capture device
Open the OBS software, click the "+" in the source box in the lower left corner of the interface,
and then click "Video Capture Device", as shown in Figure 2.
After clicking “Video Capture Device”, an interface for modifying the name will appear, and the
name can be customized. As shown in Figure 3.