So i got sick of waiting for my otg cable to come in the mail so i built my own today in under an hour. I work for sprint as a tech in the back we had both extra cables i needed.
usb 2.0 extender (the female end required)
standard micro usb data cable.
So i cut both in half saving the required ends listed above and dismantled the micro usb casing as shown in picture.
below is a diagram of the pin out for a micro usb connection
After you get it dismantled like the top image all you have to do is short the 4 and 5 pin with 2 jumpers.
then i stripped both ends of the red green black and white all my colors matched witch made it easy between the 2 cables if they dont identify at the ports so you match them up right.
Worked perfectly plugged a hub into it with a usb thumb drive and a wired MOUSE!!!!
hope you like it worked out great all you need is xacto knife cables and minor soldering skills (dont short anything else but 4 and 5 pins Tighter space).
Last edited by estakin; 08-26-2012 at 12:26 PM.
Good job. It ain't purty, but it if works it works!
Exactly my thoughts honestly didnt think it was gonna work but it did and still does should be getting the real deal from amazon in a day or 2 along with my rotating case and my bluetooth slim line mouse I also used a 3 port hub with 2 usb flash drives and mouse. I could not get the phone to read micro sd cards through the hubs card reader which does work through pc still through troubleshooting i think since its android format pry shows it in file manager in different spot?
I have considered doing this, but lacked the knowledge; your pictures are a great help. I found an article "How to: Make your own USB OTG cable for an Android smartphone" that includes an end-to-end wiring diagram, and an explanation of why the jumper is needed at the micro-USB end to activate the OTG function.