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pwm_fan_control.py
This is the phthon sample file to control fan speed by CPU temperature. you can refer to this sample or modify it by your request. please contact us if you found some error for this file.
You can use the 'crontab' system command to execute this python file to get the function of speed adjustment according to temperature changes.
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Then the x735 fan will start working.
But we hope that the script can be executed automatically when the Raspberry Pi board boots, we can use crontab system command to achieve it. please refer to the following
6. How to start PWM fan when pi 4 boots
Add a line at the end of the file that reads like this:
@reboot python3 /home/pi/x735-V2v2.5/pwm_fan_control.py
Please note the path of this file.
sudo python read_fan_speed.py
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