Until recently the standard way to work with GPIO in Linux was to use the sysfs interface and you will see a lot of articles advocating its use and you will encounter many programs making use of it.

As far as IoT goes, the fundamental Linux driver is the GPIO driver, which gives you access to the individual GPIO lines. This is another built-in driver and so is like the LED driver introduced in ...

The Raspberry Pi 5 is a fantastic little computing machine. However, no matter how powerful the Raspberry Pi 5’s CPU may be, the Raspberry Pi 5 would be a useless lump of silicon and FR4 without a ...