# Flow werkt wel als test uit voer maar niet in praktijk

**URL:** <https://community.homey.app/t/flow-werkt-wel-als-test-uit-voer-maar-niet-in-praktijk/64477>\
**Category:** Vragen & hulp\
**Tags:** flow\
**Created:** [June 7, 2022, 5:44pm UTC](https://community.homey.app/t/flow-werkt-wel-als-test-uit-voer-maar-niet-in-praktijk/64477 "2022-06-07T17:44:40Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![Dijker](https://avatars.discourse-cdn.com/v4/letter/d/b9bd4f/32.png) [@Dijker](https://community.homey.app/u/Dijker)\
**Post date:** [June 8, 2022, 4:30am UTC](https://community.homey.app/t/flow-werkt-wel-als-test-uit-voer-maar-niet-in-praktijk/64477/10 "2022-06-08T04:30:31Z")

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> [@HuisCHovens](#):
>
> van @Roel_den_Hond is toch echt een smart app

deze

> **[Smart Presence | Homey](https://homey.app/nl-nl/app/nl.terryhendrix.smartpresence/Smart-Presence/)**
>
> Aanwezigheid bepalen aan de hand van smartphones die aan het locale Wi-Fi netwerk gekoppeld zijn

Heeft een eigen topic hier

> [@\[APP\]\[PRO\] Smart Presence](https://community.homey.app/t/app-pro-smart-presence/33794):
>
> Smart Presence Device Tracking: The app tracks devices by their IP address. You would need to set a static IP address for each device you want to track. This is necessary because if the device’s IP address changes (which can happen with DHCP), the app won’t be able to track it properly. Port Scanning: The app checks whether the specified devices are reachable on the network by attempting to connect to a specified port. Closed ports are often used for this purpose. When a device is con…

En is al heel veel over geschreven [Search results for 'Smartpresence' - Homey Community Forum](https://community.homey.app/search?q=Smartpresence)

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