# Beveiliging via Laser **URL:** \ **Category:** Vragen & hulp\ **Created:** [August 24, 2020, 10:21am UTC](https://community.homey.app/t/beveiliging-via-laser/33928 "2020-08-24T10:21:43Z")\ **Posts on this page:** 1\ **Showing post:** 5
**Author:** ![Frank\_van\_de\_Schuur](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/frank_van_de_schuur/32/35882_2.png) [@Frank\_van\_de\_Schuur](https://community.homey.app/u/Frank_van_de_Schuur)\ **Post date:** [August 24, 2020, 10:53am UTC](https://community.homey.app/t/beveiliging-via-laser/33928/5 "2020-08-24T10:53:55Z")
zie ook hier: > [@IR gate solution for Homey](https://community.homey.app/t/ir-gate-solution-for-homey/33800): > > Hi all, I want to detect motion on a staircase with a strange ‘corner’. Because of the weird shape of the staircase only a motiondetector is not enough. It cannot ‘see’ the lower part of the staircase. Offcourse i can use a second PIR but i think that will be triggered too much because of movement on the lower floor. So i was thinking of using a “IR gate” solution where the IR beam will be interrupted when somebody starts to clime te stairs. (An IR transmitter with a reflector on the other … --- _[View the full topic](https://community.homey.app/t/beveiliging-via-laser/33928)._