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-   Computer Tech, Gaming & Electronics (https://www.revscene.net/forums/computer-tech-gaming-electronics_32/)
-   -   technical help needed: usb y cables (https://www.revscene.net/forums/614467-technical-help-needed-usb-y-cables.html)

Psykopathik 05-15-2010 11:01 AM
5v+5v in parallel is not = to 10v

5v+5V in SERIES = 10V, however you'll probably burn your mobo

underscore 05-15-2010 06:19 PM
How portable does it need to be? If it's just for your desk, get a 12VDC wall adapter and use a variable resistor to vary the speed. Or get an adjustable wall adapter and just use the voltage selector on there to change the speed.

Quote:
Originally Posted by ecsw (Post 6950625)
why does ppl here always want to pick on me?

I created posts in other forums to help other ppl with many DIY projects. Some electronical and some mechanical, but mostly got respected. the only place I never get a "thank you" and have people doubted what I say is in here. :mad:
Cause what you're saying will fry his USB ports...

homey_v 05-16-2010 12:21 AM
let see the thing was i thought of plugging it to the wall and ive got 12v wall adaptor already, but i wanna just plug it into my laptop and call it a day.

im reading about the firewire.

johny 05-16-2010 07:05 PM
Quote:
Originally Posted by ecsw (Post 6950625)
it's possible. but I made a mistake on the amp.

you will lose the amp by 1/2. Therefore, 2 x 5v 500ma can make 1 x 10v dc with 250ma.
no you woudln't... it would be 10v 500ma if it worked.

ecsw 05-17-2010 04:35 PM
Quote:
Originally Posted by underscore (Post 6953264)
Cause what you're saying will fry his USB ports...
No it won't.

I took one of my board and made serial 2 usb like I mentioned, it simply stopped supplying power. I restarted the computer and usb works again with 5V output.

but whatever.. Don't listen to me which no body does anyway. :p


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