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Powering 5v mini usb with 9v


ReeV0
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4 hours ago, ReeV0 said:

Would something like this work?

 

https://www.ebay.co.uk/itm/141494557168

 

I don't think that changes the voltage, so if you're trying to power the USB gadget off 9V then no. @fretmeister's link has some fun looking products but I don't see one to go from 9V to USB there, only the other way round.

 

Something like this should work though, just mount it in some sort of enclosure: https://www.ebay.co.uk/itm/304022853994

 

 

Edited by nekomatic
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Some power supplies (like my excellent Cioks DC7) have a usb built in. For those that don't there's the Rock Stock Bright Switch. I would offer you mine that I don't need any more, but I don't remember where it is...

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