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Make small electronic scheme open the door using intercom with sonoff relay.

I have a simple 5-wire intercom. And I want to connect a sonoff relay with wifi to it. So that the door can be opened automatically when someone presses the button on the intercom at the entrance of the building.

I have a photo of the diagram of the sonoff relay so that you can see it and also a photo of the diagram of the intercom.

I would like you to tell me what type of connection I have to make between the intercom circuit and the sonoff relay.

Using the application "ewelink", I would like that by default, when someone presses the call button of the intercom, the door opens automatically. And using "ewelink" the other option would be that when someone presses the button of the intercom that Do not open the door automatically, and the intercom only rings, as the current operation.

Skills: Electronics, Electrical Engineering, Microcontroller, Engineering, Arduino

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About the Employer:
( 9 reviews ) Cee, Spain

Project ID: #28315718

4 freelancers are bidding on average $70 for this job

emirhodzic3

Dear, I'm engineer from Bosnia and Herzegovina with excellent electrical engineering skills. I can finish your project very fast and quality. Best regards.

$20 USD in 7 days
(8 Reviews)
3.9
hamzazayyad

Hello I have more than 15 years of experience in the embedded systems design and pcb design and electronics systems design So let's discuss your project in chat

$200 USD in 7 days
(6 Reviews)
2.5
DamianLP

Buenas tardes, yo soy ingeniero en Telecomunicaciones y Electrónica con gran dominio de circuitos eléctricos, sistemas con microcontroladores y experiencia práctica en electricidad doméstica. Por favor contácteme en el More

$50 USD in 1 day
(3 Reviews)
2.4
lafraguadejose

Hi, I can't quite understand what you want. You can contact me in Spanish if you prefer. And you explain to me what you want. I interpret that you want to open the door through the mobile without losing the option of t More

$10 USD in 7 days
(0 Reviews)
0.0