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'''[PS]''' * : If you can't understand<code>fan.py</code>, please ignore this step. Because the X708 fan will run at low speed by default, this cooling capacity is sufficient.
1. Al sample python files maybe depends on the third-party python library `Rpi.GPIO`. In the official Raspberry Pi OS and most third-party OS, this library is installed by default. If you run this file and get some errors, try to run the following command to install the Rpi.GPIOy library.