/usr/local/lib/python3.8/dist-packages/gpiozero/devices.py:288: PinFactoryFallback: Falling back from rpigpio: No module named 'RPi' warnings.warn( /usr/local/lib/python3.8/dist-packages/gpiozero/devices.py:288: PinFactoryFallback: Falling back from lgpio: No module named 'lgpio' warnings.warn( /usr/local/lib/python3.8/dist-packages/gpiozero/devices.py:288: PinFactoryFallback: Falling back from rpio: No module named 'RPIO' warnings.warn( /usr/local/lib/python3.8/dist-packages/gpiozero/devices.py:288: PinFactoryFallback: Falling back from pigpio: No module named 'pigpio' warnings.warn( /usr/local/lib/python3.8/dist-packages/gpiozero/devices.py:288: PinFactoryFallback: Falling back from native: unable to locate Pi revision in /proc/device-tree or /proc/cpuinfo warnings.warn( Traceback (most recent call last): File "fan.py", line 3, in <module> fan=OutputDevice(pin=121) File "/usr/local/lib/python3.8/dist-packages/gpiozero/devices.py", line 108, in __call__ self = super(GPIOMeta, cls).__call__(*args, **kwargs) File "/usr/local/lib/python3.8/dist-packages/gpiozero/output_devices.py", line 83, in __init__ super(OutputDevice, self).__init__(pin, pin_factory=pin_factory) File "/usr/local/lib/python3.8/dist-packages/gpiozero/mixins.py", line 85, in __init__ super(SourceMixin, self).__init__(*args, **kwargs) File "/usr/local/lib/python3.8/dist-packages/gpiozero/devices.py", line 540, in __init__ super(GPIODevice, self).__init__(**kwargs) File "/usr/local/lib/python3.8/dist-packages/gpiozero/devices.py", line 250, in __init__ Device.pin_factory = Device._default_pin_factory() File "/usr/local/lib/python3.8/dist-packages/gpiozero/devices.py", line 291, in _default_pin_factory raise BadPinFactory('Unable to load any default pin factory!') gpiozero.exc.BadPinFactory: Unable to load any default pin factory!
时间: 2023-09-04 21:12:50 浏览: 353
Pigpio:在Raspberry Pi上使用Node.js进行快速GPIO,PWM,伺服控制,状态更改通知和中断处理
这个错误表示GPIOZERO无法加载任何默认的引脚工厂。这通常是因为缺少必要的依赖项或配置不正确。
根据您提供的错误信息,可能是因为缺少RPi.GPIO库或其他相关库。请尝试按照以下步骤解决问题:
1.确保已安装RPi.GPIO库。您可以使用以下命令进行安装:
```
pip install RPi.GPIO
```
2.如果您没有在树莓派上运行代码,而是在其他设备上进行开发和测试,那么GPIOZERO将无法使用RPi.GPIO库。在这种情况下,您可以尝试使用Mock Pin Factory,它可以模拟GPIO引脚的功能。在导入GPIOZERO之前,将其设置为默认引脚工厂:
```python
from gpiozero.pins.mock import MockFactory
from gpiozero import Device
Device.pin_factory = MockFactory()
```
请注意,使用模拟引脚工厂时,您将无法实际控制硬件。
3.如果上述步骤都无法解决问题,您可能需要检查其他依赖项或配置。请确保您的环境中没有缺少其他必要的库,并且您的用户有足够的权限来访问GPIO引脚。
如果问题仍然存在,请提供更多详细信息,以便我能够更好地帮助您解决问题。
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