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The X708 hardware supports two fan speeds: low speed (default) and high speed; if you want the fan to run at high speed, you need to run the fan.py script.
It should be noted that the x708 does not use a PWM fan, it only supports two speed modes (low speed and high speed). In the fan.py file, the speed mode of the fan is controlled by reading the temperature of the CPU in real time. You need to read the code to understand more logic.
python3 fan.py
'''[PS]''' You need to create a crontab job, and then put this run command into the job, so that the command will run automatically when the device restarts. refer to [X708-Software#FAQ]
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<big>Although this installation tutorial is still available, but we strongly recommend that you use [[X708-script]] new tutorial, and we no longer maintain this page.</big>
==For Raspberry Pi OS==
If you can't find i2c address 36, it means the X708 is not connected properly, or your raspberry pi board is broken.
3.1. Download x708 setup scripts:
cd ~
git clone https://github.com/geekworm-com/x708v2
In fact, you can refer to this example code to implement your own shutdown logic. . . This requires you to have some python programming foundation.
8. Automatically control Advanced use of speed regulation for non-pwm fans The X708 hardware supports two fan speeds: low speed (default) and high speed; if you want the fan to run at high speed, you need to run the cooling fan .py script.
cd ~/x708v2/raspberry-pi-os/
python3 fan.py
fan.py provides a method that can switch the fan speed.
It should be noted that the x708 does not use a PWM fan, it only supports two speed modes (low speed and high speed). In the fan.py file, the speed mode of the fan is controlled by reading the temperature of the CPU in real time. You need to read the fan.py code to understand more logic.
You can control the fan running at high speed or low speed via modify the CPU temperature threshold in fan.py script file (yellow highlight line)
Run a shell script to get the core temp and parse the output.
</syntaxhighlight>
'''[PS]'''
* If you can't understand, please ignore this step. Because the X708 fan will run at low speed by default, this cooling capacity is sufficient.
* If you have full control over the runing of the fan, you need to run 'python3 /home/pi/x708v2/raspberry-pi-os/fan.py', and you need to create a crontab job also, and then put this run command ('@reboot python3 /home/XX/x708v2/raspberry-pi-os/fan.py 'XX' is your username, you need replace it with your username.') into the job, so that the command will run automatically when the device restarts. refer to [[X708-Software#FAQ]]
9. Uninstall
cd ~/x708v2/raspberry-pi-os/
sudo bash uninstall.sh
10. About '''AUTO ON'''
After shutting down, you need to wait about 60 seconds until the battery capacity indicator of X708 goes out, otherwise the AUTO ON function may be invalid. Because the charge remaining in the power adapter may affect the AUTO ON function.
== For Ubuntu==