Raspberry Pi operation GPIO
One of the methods to control the Raspberry Pi GPIO is to use the wiringpi library, which can be installed using CLI, as follows
1、 cd/tmp
2、 wget https://project-downloads.drogon.net/wiringpi-latest.deb
3、 sudo dpkg -i wiringpi-latest.deb
After installation, you can use the command to GPIO -vview the version of the library and the information of the Raspberry Pi.
Commonly used commands are as follows:
GPIO readall #查看GPIO引脚信息
GPIO mode 1 pwm #使GPIO输出PWM波