# Is there a sample app using gpio pin?

**URL:** <https://mangoh.discourse.group/t/is-there-a-sample-app-using-gpio-pin/4522>\
**Category:** mangOH Yellow\
**Created:** [May 27, 2020, 8:35am UTC](https://mangoh.discourse.group/t/is-there-a-sample-app-using-gpio-pin/4522 "2020-05-27T08:35:53Z")\
**Posts on this page:** 1\
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**Author:** ![SeongBeom27](https://avatars.discourse-cdn.com/v4/letter/s/76d3ee/32.png) [@SeongBeom27](https://mangoh.discourse.group/u/SeongBeom27)\
**Post date:** [May 28, 2020, 6:08am UTC](https://mangoh.discourse.group/t/is-there-a-sample-app-using-gpio-pin/4522/7 "2020-05-28T06:08:09Z")

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I used the sysfs command, but I don’t know what api can be used to produce the desired output on the digital pin through which function call can be used.

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