GPIO/en

GPIO (General-purpose input/output) is the electrical circuit contact to which the user can output a value (logical 1 or 0), or receive a value from it. Despite the common name, the logical 1 may appear as different voltage - watch this.

Managing GPIO on Linux

See https://www.kernel.org/doc/Documentation/gpio/sysfs.txt See also deprecated manual Managing GPIO

GPIO on Wiren Board

• Wiren Board 4:Список GPIO
• WB SH 3.5: Список GPIO
• KMON1:Список GPIO (МКА3)
• WB rev. 2.8: Список GPIO

• Wiren Board 5:Список GPIO