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Topic: Accessory Resistor

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Old 01-15-2006, 01:17 PM
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Accessory Resistor

I have taken a dock connector from a Belkin Firewire/USB cable and soldered wires to all the pins. The pin 21 to ground is where the resistor goes to tell the iPod what is connected.

I know 1MegaOhm makes it turn off when 12V power is disconnected.
1kiloOhm is supposed to make the iPod beep when disconnected from a cradle connected to the computer I guess.

My question is, which size resistor would I need to use to enable vioce recording mode? Or, does the iPod auto detect a microphone on the Line-In pins?
~Mike



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Old 01-15-2006, 04:25 PM
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p2k
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If I remember correctly you cant use a resistor to get into Voice Recorder mode. To get into Voice Recorder mode, you need to send a series of binary through the serial interface(Pin 13)
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Old 01-15-2006, 07:34 PM
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Ok thanks, I think I found that somewhere else just now too.

Only problem I'm still having is that when using a 1k Ohm resistor, my Gen 5 does not beep when connected or disconnected. All the places I've seen say that 1k Ohm is what the Apple Dock uses.



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