Raspberry pie GPIO operation based on python: input and output, interrupt, serial port, PWM, basic operation

        First, learn about the GPIO distribution of raspberry pie. You can get the GPIO distribution by entering gpio readall.             The error of Oops - unable to determine board type... model: 17 may be due to the version of wiringPi, Enter the following command to upgrade the wiringPi v ...

Added by xxxxxx on Sat, 18 Sep 2021 17:41:15 +0300

LED for driving frame

1, What is a drive frame 1. Who wrote the driver (1) Drive development engineer (2) Kernel maintainer 2. Driver programming collaboration requirements (1) The interface should be standardized. Don't make a mess. There are several sets of interfaces (2) Minimize the difficulty of driving developers 3. What is the driver framework (1) The ...

Added by Spitfire on Wed, 15 Sep 2021 01:29:51 +0300