# Adding Sensor to DTH

**URL:** <https://community.smartthings.com/t/adding-sensor-to-dth/99170>\
**Category:** Automation Ideas\
**Created:** [September 18, 2017, 7:09pm UTC](https://community.smartthings.com/t/adding-sensor-to-dth/99170 "2017-09-18T19:09:06Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pizzinini](https://yyz2.discourse-cdn.com/smartthings/user_avatar/community.smartthings.com/pizzinini/32/279_2.png) [@pizzinini](https://community.smartthings.com/u/pizzinini)\
**Post date:** [September 18, 2017, 7:27pm UTC](https://community.smartthings.com/t/adding-sensor-to-dth/99170/2 "2017-09-18T19:27:23Z")

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There is an app for that 🙂

> [@New smart app to link the virtual/simulated garage door device with two actual devices](https://community.smartthings.com/t/new-smart-app-to-link-the-virtual-simulated-garage-door-device-with-two-actual-devices/25755):
>
> Syncs a Simulated garage door device with 2 actual devices, either a tilt or contact sensor and a switch or relay. The simulated device will then control the actual garage door. In addition, the virtual device will sync when the garage door is opened manually, \n It also attempts to double check the door was actually closed in case the beam was crossed. create a virtual device (see elsewhere for instructions) for device type use the simulated garage door. You can also create a modified version for yourself I recommend decreasing the runin time to 1 sec, otherwise it takes 6 secs before the door starts closing or opening when you toggle the simulated device icon. (That is what I did) install this smart app. select your relay /switch, and actual garage door sensor in the app, Also s…

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