1-2-1. Port Description
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C
3
•
Micro USB Interface
: Connects to the device for touch function and power supply.
•
HDMI Interface
: Connects to a source device by using an HDMI cable.
•
Fan
: Set up the fan device.
•
Backlight
: Short press to turn on the screen and adjust the brightness, long press
to turn off the screen.
•
: Increase the volume.
•
Volume-
: Decrease the volume.
•
Micro USB Interface
: For power supply.
•
Speaker
: For audio output.
•
Mounting Holes
: For mounting the RPI.
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