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Install gpiod

sudo apt update
sudo apt install gpiod
Six command-line tools are available:
* gpiodetect - list all gpiochips present on the system, their names, labels
               and number of GPIO lines

* gpioinfo   - list all lines of specified gpiochips, their names, consumers,
               direction, active state and additional flags

* gpioget    - read values of specified GPIO lines

* gpioset    - set values of specified GPIO lines, potentially keep the lines
               exported and wait until timeout, user input or signal

* gpiofind   - find the gpiochip name and line offset given the line name

* gpiomon    - wait for events on GPIO lines, specify which events to watch,
               how many events to process before exiting or if the events
               should be reported to the console

sudo apt-get update
sudo apt-get install nvidia-jetpack


Terminal command line execution :nvcc  -V,

If prompted:bash: nvcc: command not found

Then the leading environment variable:

$  export  PATH=/usr/local/cuda-11/bin:$PATH

$  export  LD_LIBRARY_PATH=/usr/local/cuda-11/lib64:$LD_LIBRARY_PATH

Then run the nvcc-V command.


Terminal command line execution:

$  dpkg  --list  | grep  cudnn


Terminal command line execution:

$  dpkg  --list  | grep  libopencv


Terminal command line execution:

$  pip   list   |  grep  tensorrt

$ sudo apt-get install netplan.io -y

$ cd /etc/netplan

$ sudo vim 01-network-manager-all.yaml

Add the following, save and exit after adding:
    version: 2
    renderer: NetworkManager
        eth0:  # Network device name:
            mtu: 9000 #If this parameter is added to the mtu value, it takes effect only after the system is restarted.
            addresses: []  # Fill in the IP address, followed by a /24
            dhcp4: no  # Example Disable IPv4 to automatically obtain an IP address
            dhcp6: no  # Example Disable IPv6 to automatically obtain an IP address
            gateway4:  # Note The first three bits of the gateway must be the same as the first three bits of the IP address.
                addresses: [,] # Set the IP addresses of the active and standby servers for DNS resolution. If there are multiple IP addresses, separate them with commas (,), but do not contain Spaces

$ sudo  netplan apply        # Or directly restart the system

echo 255 > /sys/kernel/debug/tegra_fan/target_pwm   (L4T Old version)


echo 255 >/sys/devices/pwm-fan/target_pwm


echo  255 > /sys/devices/platform/pwm-fan/hwmon/hwmon1/device/hwmon/hwmon1/pwm1   (Jetpack5.*)

Run command:

head -n 1 /etc/nv_tegra_release

Add the "options bcmdhd op_mode=2" to the /etc/modprobe.d/bcmdhd.conf file and reboot the system.

Technical Support

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Add: Hidian District,Beijing 100013,P.R.China