CI20 Tutorials

See also the CI20 Tutorials category.

Linux based

GPIO handling

GPIOs on the CI20 can be handled using normal linux sysfs calls. For further details, visit CI20 GPIO-Sysfs-Expansion header guide

Blink a LED

Blink a LED from the command line: it contains an explanation of how the sysfs interface for GPIO works and how to use it to control an LED.