submitted 1 week ago* (last edited 1 week ago) by Zara@lemmy.ml to c/diy_electronics@lemmy.ml

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Hi,

I'm looking a way to make or buy an intercom system between room in the same house. That works more or less like a Walkie-talkie but wired on the local LAN .

With the following "requirements"

only voice
push to talk ( do not need to dial )
broadcast the voice too all receiver
AC-powered
work on the local Lan (Ethernet)

If you know any device that does that or a clever way to DIY or even an android app (LAN only)
I'm all ears.

Thanks

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[-] ColonelMustard@lemmy.world 1 points 1 day ago

Two VoIP phones setup to hotline dial each other's IP address and auto answer on speaker?

A bit more information about what you're trying to achieve would be helpful.

[-] Jinna 2 points 1 week ago

You could look into using esp32's for it. There's variants with copper ethernet and people have used them before to both act as voice assistant mics and to play back audio with Home Assistant. Real time stream audio reproduction might be too much for them but it's worth a spelunk if anyone has already gotten close enough.

[-] Zara@lemmy.ml 1 points 1 week ago* (last edited 1 week ago)

I've tried few android apps but none does what it claim

WiFi Walkie Talkie different channel on device, with no way to change them, voice do not pass.
two-way-walkie-talkie, voice do not transmit, and anyway not open-source apps
Zello PTT Walkie Talkie, do not work on LAN, not open-source.

[-] 9tr6gyp3@lemmy.world 1 points 1 week ago

Are you looking for two way audio? Or just transmitter to receivers only?

this post was submitted on 07 Mar 2025

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