Automatic phone pickup machine by Parihaka 3d model
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Automatic phone pickup machine by Parihaka

Automatic phone pickup machine by Parihaka

by Thingiverse
Last crawled date: 3 years, 4 months ago
We live in an apartment building with two entry gates. To be let in you need to push a button on each gate, which calls our in-apartment telephone. We pick it up and push a button to let someone in. We have to do this twice, for both gates. This has now been automated, thanks to Home Assistant and ESPHome.
I have created a 3D-printed wall attachment, which holds two servos and a microphone. It’s all connected to an ESP32 and it works like this:
The phone rings when someone pushes the button outside. The microphone detects this ringtone
The pick-up-servo lifts the receiver.
The other servo pushes the “open door”- button
It then lets go of the button and hangs up the receiver - and moves out of the way so you can also pick up the phone manually if you want to. I have an input boolean I can activate, which turns automatic answering on or off. Normally I have set it to just send an actionable notification to my phone when the phone rings, with an option to open the gate from there.
Video here:https://www.youtube.com/watch?v=eGmKvuyp2_s 3

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