Little help on hacking my doorbell

Other Hardware Device Hacking
1

Hello,
i would like to remotely open the door of my building. I normally press a button to do so, like most of us i guess.
I own a wifi compatible arduino (yun i think) so i was thinking to somehow connect it to my doorbell circuit.

My idea is to detect when there is noise on the bell to inform me remotely
Then short circuit the button door when i press a button online...
I wonder where is the best thing to plug myself to get 5v Dc for Arduino

20220901_120654
20220901_1206541920×2560 208 KB

If you have any advice before i jump in i would like to hear them :slight_smile:

2

I would start with a digital multimeter if you don’t have a schematic and draw your own once you work out what things do

3

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