Contents
How use GPIO Linux?
The basic steps to use a GPIO pin from the sysfs interface are the following:
- Export the pin.
- Set the pin direction (input or output).
- If an output pin, set the level to low or high.
- If an input pin, read the pin’s level (low or high).
- When done, unexport the pin.
10 июл. 2019 г.
How do I enable GPIO?
You’ll need to enable remote connections, and launch the pigpio daemon on the Raspberry Pi.
- 4.1. Enable remote connections. On the Raspberry Pi OS desktop image, you can enable Remote GPIO in the Raspberry Pi configuration tool: …
- 4.1.2. Command-line: systemctl. …
- 4.1. Command-line: pigpiod.
