I want to convert a rotary phone to a hand-free Bluetooth device so I can answer calls and maybe dial to ??
Does any hacker here on the fediverse could help me and tell me where to begin ?
How do I know the needed parts?
@magikarp There are a few articles on it on hackaday (especially https://hackaday.com/2009/12/23/bluetooth-handset-hacks/ )
Also, sparkfun made exactly that a few years back and made a tutorial about it : https://www.sparkfun.com/tutorials/51
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