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Join Date: May 2009
USB Power and Signal though different ports? - 09-17-2009, 02:56 PM
Is it possible to attach a USB device to two different buses, one for D+/D- and one for VCC/ground? Reason I ask is I'm thinking about routing the Bluetooth through a permanent bus (webcam port, via Hoda touchscreen hub) to get Bluetooth AND sleep with OS X.
Related: Does anybody know wheter a USB hub exist that runs on (and provides) 3.3V power? That would allow me to add another 3.3V device to the chain. All I could find was a controller, but building a hub around it would be waaaaaaay over my capabilities.
Or is there a simple way to cap voltage at 3.3v -- something small to go between a regular 5v port/hub and a 3.3v device?
Thanks for input!
|3.3v, 3.3v hub, hub, separate power, usb|
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