Usb Camera Test; Serial Port Test; Hard Disk Test; Others - Waveshare E9 User Manual

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7.7 USB Camera Test

Connect the USB camera, then open the camera viewer, you will see the image. You can set the photo size and
storage paths and other parameters. If it is not normal, then please check whether there is a node /dev/video0
generated, and then find reasons.

7.8 Serial Port Test

E9 has one debug serial port only, so as long as you can see the debugging information in using, and it can
communicate with E9 in the serial terminal, then it means that the serial port is OK.

7.9 Hard Disk Test

Connect the hard disk (external power supply is required) and then boot it, open the file browser, then you can see
the hard disk will be mounted automatically. It can identify the EXT3, FAT, NTFS format, etc. Here it is mounted
temporarily. If you want to mount it directly to a directory, then you can mount it in accordance with the method
of computer ubuntu.

7.10 Others

In the Ubuntu Software Center, you can download a variety of software needed, as shown below:
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