pileofstuff | Controlling old phones: tinkering video @pileofstuff | Uploaded November 2022 | Updated October 2024, 7 hours ago.
Today I'm tinkering and experimenting with an interesting telephone interface module I found on Aliexpress.

My ultimate goal with this thing is to make an on-stage telephone ringer for theatre use, and (spoiler) it seems like it will be a really good way to do it.

I mentioned that Gadget Reboot is also experimenting with this module. Check out his experiment: youtu.be/N3Z2zw0gRz8
He's also doing a bunch of other phone tinkering on his second channel: youtube.com/@gadgetsideload

Here's the datasheet for this and a similar module if you are interested:
download.generalelec.com/Datasheet/modules/Other%20Module/KS0835F-5V.pdf
silvertel.com/images/datasheets/Ag1170-datasheet-SLIC-module-onboard-ringing.pdf


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This isn't the only way to do it.
It's probably not the best way to do it.
But it's how I did it.