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Author Topic: DIY USB power off 9v  (Read 2556 times)

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Offline scb

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DIY USB power off 9v
« on: April 05, 2006, 02:42:51 PM »
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Offline Howell

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Re: DIY USB power off 9v
« Reply #1 on: April 10, 2006, 04:33:25 PM »
cool, a friend was just telling me about this on friday and I thought it sounded pretty interesting.  I know nothing about electrical stuff, does anybody know if it would be possible to wire this up with multiple batteries to get a longer run time?  I guess it wouldn't be that hard to switch out a battery but I still think having 2 or 3 batteries plugged in would be nice for bringing to a festival or something.
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Offline poorlyconditioned

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Re: DIY USB power off 9v
« Reply #2 on: April 10, 2006, 05:26:53 PM »
Quote from: saygbye13 on April 10, 2006, 04:33:25 PM
cool, a friend was just telling me about this on friday and I thought it sounded pretty interesting.  I know nothing about electrical stuff, does anybody know if it would be possible to wire this up with multiple batteries to get a longer run time?  I guess it wouldn't be that hard to switch out a battery but I still think having 2 or 3 batteries plugged in would be nice for bringing to a festival or something.

Just run it with a "Walmart" type battery.  Either 7.2V or 9V will work.

Note: you should add a heatsink on that 7805 regulator if there is any significant current!

  Richard
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Offline schoff

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Re: DIY USB power off 9v
« Reply #3 on: April 15, 2006, 01:15:49 PM »
So could this be used to charge a M Audio MicroTracker 24/96?
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Offline rodeen

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Re: DIY USB power off 9v
« Reply #4 on: April 15, 2006, 01:39:10 PM »
It would charge it or it could be used to power it in the field.
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Offline Elana

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Re: DIY USB power off 9v
« Reply #5 on: April 25, 2006, 12:37:09 AM »
I'm sure you could make it yourself for cheaper, but someone is selling premade ones in altoids tins for $15

http://www.izillapod.com/store.html

Also, I may want to try and make this thing myself to hook up to a dvd battery.  But I know very little about electronics.  Can anyone recommend some beginning electonics websites or books?  This project doesn't look too hard, but I'm really not good at reading those circuit diagram thingies.
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Offline sleepypedro

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Re: DIY USB power off 9v
« Reply #6 on: April 25, 2006, 12:31:00 PM »
that's awesome:

Available Tins:  Peppermint, Cinnamon, Sour Cherry, Sour Apple (shown below)

 ;D
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