Making custom cable to make DROID work in iPod dock

jayneo8

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I am trying to make a cable in order to charge and listen to my droid on my iPod dock. Just wondering if you guys have any advice or know if theres a better way to do this... heres my plan...

Im going to create a cable that does 'female iPod connector --> male mini usb & 1/8" audio jack'

[GND] Pin 16 iPod --> Pin 5 mini USB
[5V DC] Pin 23 iPod --> Pin 1 mini USB
[R Channel] Pin 5 iPod --> 1/8" audio R
[L Channel] Pin 6 iPod --> 1/8" audio L

Now the real question is do you think I could use the iPod's serial Tx and Rx pins with the 'data' pins on the mini-usb? Are they compatible? If so it would look like this...

[Serial Tx] Pin 12 iPod --> Pin 2 mini USB
[Serial Rx] Pin 13 iPod --> Pin 3 mini USB

pinouts for ipod are here:
Apple iPod and iPhone (2g, 3g) Dock Interfaces pinout and wiring @ pinouts.ru

Thanks for any help, ill be sure to post some pictures once/if I get it made.


EDIT*
just noticed I called everything "mini-usb" this should be "micro-usb" in all cases
 
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tktouch12

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If this actually works that will be awesome, so please post detailed instructions if it works
 
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jayneo8

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I seem to only have ONE mini-USB cable... thought I had more. I dont want to ruin the one I have as its the only way I can charge my phone. Ill post some instructions once I go buy one but there is currently 6"+ of snow on the ground here and Im not going anywhere :)
 

Backnblack

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but there is currently 6"+ of snow on the ground here and Im not going anywhere :)

Sissy...18"+ here and still coming down. Getting ready to go back out driving in it again...
 

Daver

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I'm jealous, I'm dying for some serious snow to fall so I can go play in it.
 

Backnblack

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I'm jealous, I'm dying for some serious snow to fall so I can go play in it.

Over 20" and it's suppose to snow til 6am tomorrow :icon_ banana:
 
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jayneo8

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I acquired a female iPod plug today and plan on getting myself a micro usb tomorrow. Just wanted to bump the thread and let you guys know I still plan on making this cable.
 

krazykarl

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The serial TX and RX data lines on the ipod dock connector do not map to USB data lines. USB maps to the DATA+ and DATA-

You may be able to get it to charge and maybe play music through an ipod dock but you won't be able to skip tracks or view song info on the dock, you'll have to do all that via the phone.
 
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jayneo8

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So after a bunch of testing and soldering I have decided that I will not be able to make such a cable without help.

hSphN.jpg

Using a multimeter I found pins which output 5V. The dock does not seem to output anything whatsoever with the cable.

When I use a wall charger with the cable, the droid detects the presence of USB but does not charge. I do see 5V going to the USB however. Any ideas on why this wouldn't charge? I can understand why the dock wouldn't work, I suppose it needs to have a data connection or something.


Heres the setup which wont charge...

120V wall -> USB wall plug charger -> USB to male iPod cable -> my connector -> 5V+ & GND connections to mini-USB -> micro USB converter -> Droid

Heres another image for ****s & giggles...




Any help would be appreciated. Thanks!
 

Finnstang

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What is the current rating for the USB wall charger you are using?
 
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