# GPIO with DEV Board and ME9210

**URL:** <https://forums.digi.com/t/gpio-with-dev-board-and-me9210/17158>\
**Category:** NET+OS\
**Tags:** gpio\
**Created:** [July 29, 2016, 7:27pm UTC](https://forums.digi.com/t/gpio-with-dev-board-and-me9210/17158 "2016-07-29T19:27:07Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![haribofan](https://avatars.discourse-cdn.com/v4/letter/h/dbc845/32.png) [@haribofan](https://forums.digi.com/u/haribofan)\
**Post date:** [July 29, 2016, 7:27pm UTC](https://forums.digi.com/t/gpio-with-dev-board-and-me9210/17158/1 "2016-07-29T19:27:07Z")

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Hello,

Can anybody help me?

I will use the TCP Serial Tunnel Sample with a LED.

How do I have to change the application so that the LED (CR19 on GPIO\_1) is lightning when the Application is started.