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Old October 1st, 2013, 08:29 PM   #1
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Cool install 2 USB ports by stereo to charge devices

so i got want to install 2 USB ports to charge my electronic device(power only) somewhere near stereo(i got a single piece panel mount dual USB ports with bare wires)
i need ideas where to make that cutout and how to wire it properly.

i chose the hard way, so i cant tap the 12v cigarettle socket)
it needs to be connected to a 5V source.
maybe other products that have built in transformers?

i am not a noob when it comes to electricity.

please post link of similar projects.
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Old October 2nd, 2013, 08:16 PM   #2
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Seems alot easier just to pick one of these up.

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Old October 2nd, 2013, 09:04 PM   #3
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^^ I got one of these from Sony. Works great and was only 20 bucks. Got it years ago.
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Old October 2nd, 2013, 10:04 PM   #4
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Easier to pick up adapter, else, outline hole for size of the dual ports somewhere on dash/shifter trim/inside center box, hook some 5v regulators up to a line going to the 12v line going to the cigarette lighters, mount and get all crimped together.
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Old October 2nd, 2013, 10:49 PM   #5
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Wolfy47 i like your avatar pic.
the cig lighter outlet is not the best location on the accord,
and it disconects ocasionally(and shorts out a lot if a penny falls in there)
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Old October 2nd, 2013, 11:29 PM   #6
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Quote:
Originally Posted by Bimmer_guy View Post
the cig lighter outlet is not the best location on the accord,
and it disconects ocasionally(and shorts out a lot if a penny falls in there)
I can understand the location being a problem. You can consider removing the little door that covers the plug. Another idea is, I dont know if the center console secondary plug is on all accord or just the ex's, but if you do have it you can use that since I believe that is wired to the battery and constant. Although the plug hole is smaller than the main one so if that is the case just "mod" a main one and wire that one in place of the secondary center console one.

As of pennies falling in there, that sounds like an easily avoidable problem.
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Old October 2nd, 2013, 11:45 PM   #7
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Quote:
Originally Posted by Wolfy47 View Post
I can understand the location being a problem. You can consider removing the little door that covers the plug. Another idea is, I dont know if the center console secondary plug is on all accord or just the ex's, but if you do have it you can use that since I believe that is wired to the battery and constant. Although the plug hole is smaller than the main one so if that is the case just "mod" a main one and wire that one in place of the secondary center console one.

As of pennies falling in there, that sounds like an easily avoidable problem.
Never had the penny problem, as stated I usually use the one in center console, seems to have more amperage. The spring door seems to be an easy solution to the penny problem... and is issued stock.
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Old October 4th, 2013, 08:52 PM   #8
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Cool

Quote:
Originally Posted by Bimmer_guy View Post
maybe other products that have built in transformers?

i am not a noob when it comes to electricity.
lol transformers doesn't work with DC current.
If you want to buuld your own 1A USB charger you need a female USB port, LM7805, 2 diodes, pair of 1uF capacitors, a heatsink

visit this page
Simple Cellphone Battery Charger Circuit | Technical Essential

USB pin out.
File:USB.svg - Wikipedia, the free encyclopedia

NOTE, check the data sheet of LM7805 some brands pins are different.
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Old October 19th, 2013, 09:30 AM   #9
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Quote:
Originally Posted by pollo View Post
lol transformers doesn't work with DC current.
If you want to buuld your own 1A USB charger you need a female USB port, LM7805, 2 diodes, pair of 1uF capacitors, a heatsink

visit this page
Simple Cellphone Battery Charger Circuit | Technical Essential

USB pin out.
File:USB.svg - Wikipedia, the free encyclopedia

NOTE, check the data sheet of LM7805 some brands pins are different.
Or, if you really want the "look" of a built in, use one of the above plug in usb adapters, plug it in to a female power plug, and hard wire this "combo" to the wiring going to the factory power plug on the console. Mount this combo in the dash, below the radio. Take a usb cable, plug it into the adapter and wire the other end to the back end of your newly installed usb outlet on your console. This way you dont have to build a 5 volt usb "adapter".
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