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Old Jul 20, 2012, 09:22 AM
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Wanted

3.3v usb>ftdi programming card


im looking for a 3.3v usb-ftdi programming card

expecting about $10 incl shipping from contUS

thanks
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Old Jul 20, 2012, 08:31 PM
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Usb port is 5V . I do have some ,but I don't know hao to tell the is 3.3v or 5 v.
Old Jul 20, 2012, 09:14 PM
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I saw the ones from sparkfun are able to switch to 3.3 by breaking b bridge... I just dont get how to do it..
Old Jul 20, 2012, 10:10 PM
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Where you can get 3.3v ?
Old Jul 20, 2012, 10:51 PM
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One of the nice features of this board is a jumper on the back of the board that allows the board to be configured to either 3.3V or 5V (both power output and IO level). This board ship default to 5V, but you can cut the default trace and add a solder jumper if you need to switch to 3.3V.

that is what i got from sparkfun....

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