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  1. Hi Elvis, You could follow steps as below: linaro@linaro-alip:~$ sudo -i root@linaro-alip:~# echo 158 > /sys/class/gpio/export root@linaro-alip:~# echo 0 > /sys/class/gpio/gpio158/value <== Low Speed root@linaro-alip:~# echo 1 > /sys/class/gpio/gpio158/value <== High Speed root@linaro-alip:~# echo 158 > /sys/class/gpio/unexport Note: 1. Two-level controllable for the Fan Speed, Low and High. 2. The default Fan Speed is High.
  2. Hi Elvis, MIPI CSI0 is set for OV5647 camera as default, you could additionally set the CSI1 to OV5647 as the following in the /boot/config.txt file, then reboot the device. overlay=CSI1-OV5647
  3. Hi Elvis, For Debian, the hardware can be configured thru /boot/config.txt file. Regarding CSI cameras, CSI0 is enabled with OV5647 and CSI1 is enabled with IMX219 by default. 1. If you would like to enable CSI0 with IMX219, you can add the overlay CSI-IMX219 as the following and reboot the device. overlay=CSI0-IMX219 2. If you would like to enable CSI1 with OV5647, you can add the overlay CSI1-OV5647 as the following and reboot the device. overlay=CSI1-OV5647 You could find more details from the file. For Android, it seems not easy to be achieved, has to modify from the source code.
  4. Hi Elvis, Camera for Tinker Edge R: Find the QVL (Qualified Vendor List) for Tinker Edge R Here, which including Reasberry Pi cameras. Below table is for your reference: RASPBERRY PI CAMERA V1.3 RASPBERRY PI CAMERA V2.1 Image Sensor: OmniVision OV5647 Sony IMX219 Resolution: 2592 × 1944 pixels (5 megapixel) 3280 × 2464 (8 megapixel) Sensor Image Area: 3.76 × 2.74 mm 3.69 × 2.81 mm Pixel Size: 1.4 µm × 1.4 µm 1.12 µm × 1.12 µm Video: 1920 × 1080 (1080p)30p 1920 × 1080 (1080p)30p CSI locations: MIPI CSI0 is set for OV5647 camera as default. MIPI CSI1 is set for IMX219 camera as default. Debian Test command: (NOTE: It's based on ASUS official released Debian image.) MIPI CSI0 for OV5647 $ gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=100 ! video/x-raw,format=NV12,width=1920,height=1080, framerate=30/1 ! videoconvert ! kmssink MIPI CSI1 for IMX219 $ gst-launch-1.0 v4l2src device=/dev/video5 num-buffers=100 ! video/x-raw,format=NV12,width=1920,height=1080,framerate=30/1 ! videoconvert ! rkximagesink Android: Under Android, it would auto-detect to initial camera. It doesn't support camera switch as default under official Android image; CSI0 (OV5647) camera is the first priority and CSI1 (IMX219) one is the next, if just one camera connected. Download Official Image: You could download the image from https://tinker-board.asus.com/download-list.html.
  5. Hi Yaturner, Please help to check if the jumper is setting on the Maskrom Mode as below:
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