Uploaded June 2026 | Updated September 2026, 1 week ago

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Today we have a relatively simple project where I make my pretty standard garage lock "smart" allowing me to monitor whether the door is locked in Home Assistant. And we'll be doing it with a couple of microswitches and a modified Zigbee door contact!

Buy the Hardware Used from Amazon (Affiliate):
- Microswitches: geni.us/Se3RZ
- Aqara Zigbee Door and Window Sensor: geni.us/ZyJAsDz

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Chapters:
00:00 - Introduction
01:43 - Sensing the Lock State
04:14 - Modifying a Door Contact to Monitor any Switch!
10:06 - Connecting it up!
11:46 - Demo!
13:42 - Conclusion

*AFFILIATE LINKS NOTICE:*
Product links under this video marked “(Affiliate)” are affiliate links where I may receive a small commission on qualifying sales. Affiliate programs that I am a member of include, _but are not limited to:_ Amazon Associates, eBay Partner Network and AliExpress Affiliates.

As an Amazon Associate I earn from qualifying purchases.

Purchasing through these affiliate links will not cost you any more money, however the commission earned significantly helps fund the production of videos on my channel.