# GPIO button

**URL:** <https://discourse.mozilla.org/t/gpio-button/45455>\
**Category:** WebThings\
**Created:** [September 22, 2019, 2:35pm UTC](https://discourse.mozilla.org/t/gpio-button/45455 "2019-09-22T14:35:31Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![antti202](https://avatars.discourse-cdn.com/v4/letter/a/e9bcb4/32.png) [@antti202](https://discourse.mozilla.org/u/antti202)\
**Post date:** [September 22, 2019, 2:35pm UTC](https://discourse.mozilla.org/t/gpio-button/45455/1 "2019-09-22T14:35:31Z")

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How is the GPIO adapter supposed to work?  
I installed the Add-On, added new button and the button should appear to where? It isn’t on the Things page.  
The documentation is really poor.

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**Author:** ![mstegeman](https://avatars.discourse-cdn.com/v4/letter/m/b782af/32.png) [@mstegeman](https://discourse.mozilla.org/u/mstegeman)\
**Post date:** [September 22, 2019, 4:11pm UTC](https://discourse.mozilla.org/t/gpio-button/45455/2 "2019-09-22T16:11:14Z")

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It would appear when you click the + button on the Things page. I believe the GPIO adapter may be broken at the moment, though.

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**Author:** ![antti202](https://avatars.discourse-cdn.com/v4/letter/a/e9bcb4/32.png) [@antti202](https://discourse.mozilla.org/u/antti202)\
**Post date:** [September 22, 2019, 5:27pm UTC](https://discourse.mozilla.org/t/gpio-button/45455/3 "2019-09-22T17:27:47Z")

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Yes, nothing comes up with the + button. I’ll wait for the fix then 🙂

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**Author:** ![dhylands](https://sea1.discourse-cdn.com/flex001/user_avatar/discourse.mozilla.org/dhylands/32/20711_2.png) [@dhylands](https://discourse.mozilla.org/u/dhylands)\
**Post date:** [September 26, 2019, 10:08pm UTC](https://discourse.mozilla.org/t/gpio-button/45455/4 "2019-09-26T22:08:00Z")

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With the GPIO adapter you first need to tell it which pins the adapter should be controlling.

Goto Settings-\>Addons and then click on the Configure button for the GPIO adapter.

The clicp the + under gpios and fill out the pertinent information. Click + again to add an additional GPIO pin. Click the X to remove a GPIO pin.

Then click Apply. Now when you click + in the Things screen you should see new devices to add (using the name you entered in gpio configuration page)

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**Author:** ![antti202](https://avatars.discourse-cdn.com/v4/letter/a/e9bcb4/32.png) [@antti202](https://discourse.mozilla.org/u/antti202)\
**Post date:** [September 27, 2019, 5:37am UTC](https://discourse.mozilla.org/t/gpio-button/45455/5 "2019-09-27T05:37:28Z")

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It is working now, thanks!