1805

{

   "wikipageid": 701,
   "namespace": 0,
   "titletext": "How to control a GPIO in userspace",
   "description": "",
   "parentid": 0,
   "id": 1805,
   "ownerid": 170,
   "type": "wikipage",
   "archived": false,
   "tags": [
       "How to control a GPIO in userspace"
   ],
   "resolved": false

}

General-purpose input/output (A realization of open ended transmission between devices on an embedded level. These pins available on a processor can be programmed to be used to either accept input or provide output to external devices depending on user desires and applications requirements.)