MP3 player in car

Hi all,

I have an mp3 player (no name cheapy) that I want to use via the head unit in my car.

I connected the earphone output (2.5mm stereo) to the aux in on the head unit ( 2 x RCA's) and it works as it should ie I can control volume, bass, treble etc via headunit.

The mp3 player is battery operated and is charged either by usb port on the computer or by a 240v adapter that the supplied usb cable plugs into (same cable for computer or charger)

The 240v charger is marked:- Input: AC 100-250V 50/60Hz Output: DC 5.0V +/- 0.5V DC400mA

I'd like to be able to power the mp3 using the car's 12v system but I'm unsure what input/output charger I need to put between the 12v source and the mp3 player?

I had a look at Jaycar's website but couldn't see anything that sounded right.

Can someone advise me what I need - other than a crash course in electronics :)

Thanks

Reply to
al
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You simply need a 5V MP3 charger for the car, they sell them on eBay:

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Dave.

Reply to
David L. Jones

Unless you *want* to build it yourself, then look at something like the firepod:

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Alternately, the iGo is a fantastic product for power conversion. All you need is the right tip and you're done. It selects voltage for you. I'm not sure what type of plug your MP3 player has on that end .. but you may find something in the iGo range:

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Cheers! Rick Measham

Reply to
Rick Measham

So you need a 12V to 5V adaptor that can supply 400mA.

Easily doable if not already a product available. Dick Smith sell 12 lighter socket adaptor,s and 7805 5VDC 3-terminal regulators. One of these and a couple of capacitors and you are away ! There is sufficient info in the DSE catalogue reference section to hook it up even for an electronics novice.

geoff

Reply to
Geoff

Altronics have something similar. No firewire but less than half the price.

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-- Michael Heydon

Reply to
Michael Heydon

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Thanks Dave (and others) for replies.

I ordered one of these off ebay this morning,

Cheers

Reply to
al

They make cigar lighter plugs with USB shaped power outlets that may work for you. jaycar or DSE should hve them.

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Bye.
   Jasen
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Reply to
jasen

And a heat sink. That's 2.8 watts to get rid of, if it actually draws 400ma.

Graeme Gill.

Reply to
Graeme Gill

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