Door opening from phone, voice assistant and Sonoff Mini module

Hello everyone.





Today I want to tell you how I opened the door using Commands on my phone (iPhone) and subsequently implemented this function through the Yandex.Alisa voice assistant.





In the process of using regular standard access control, I always wanted to implement something "ETAKOE". Once one of our customers asks to open the gate in his private house without a video intercom, but only using a wireless button and the function of opening from a telephone. Initially, the task did not seem interesting, cheap solutions on Aliexpress did not inspire confidence (NEVER). In the process of searching for options on the Internet, an article comes across on habr.com. We open the intercom door with the help of a voice assistant and an arduino, and I realized: this is what I need. By the way, during testing at home, I managed to implement 2 projects: opening the intercom and draining the water in the toilet.





Since I have never been particularly friends with Arduino and programming, I decided that I needed to look for a simpler solution and try to implement this project.





Components used

  • Sonoff Mini WiFi module;





  • ACS controller (in my case, Matrix 2K Reader / Controller);





  • 12 Volt 1.5 Ampere power supply (required for controller and lock);





  • Actuating mechanism (electromechanical or electromagnetic lock);





  • Relay for 220 volts (intermediate relay). Necessary for dry contact;





  • Multiple wires to connect, plug with wire and straight arms.





Putting together the following scheme

Wiring diagram with intermediate relay
Wiring diagram with intermediate relay

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Connection diagram of the "Upgraded" module without intermediate relay
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