Pinout for cell phone (specifically S3) for *wired* car audio/phone use.

ddrueding

Fixture
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Feb 4, 2002
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Horsens, Denmark
...although I'm hoping it is generic.

Bluetooth annoys me. My wife and I get into each others cars with our cell phones, and specifying whose phone is tied in is a pain. The best I've found is this NFC-enabled BT-audio receiver that works exactly as advertised, but doesn't support phone anyway.

I'm hoping to be able to wire in for music and hands-free phone use (speaker and mic) along with charging.

I know that adapters are available that do charging and speaker through the USB; I own a commercial product and there are DIY instructions on the internet.

The question is whether the mic (line in?) is also in the USB connector or whether I'll need to use the headphone jack.

If it works well enough, I'd consider eliminating the head unit all together.
 
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