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[DIY] - USB On The Go (OTG) Cable

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By jasg001, Member on 4th June 2012, 07:30 AM
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**Yes I know these cables can be bought for cheap but I'm the type who'd rather build my own, thanks. **



Diagrams

By default, pin 4 on the micro USB head is unused which provides a device peripheral connection when plugged into a host (e.g. PC or Mac).

To enable OTG mode on the micro USB head, short pins 4 and 5 to ground (black wire).

Once OTG is enabled, the micro USB head now acts as the host and a standard female USB head on the other end will be able to receive device peripherals.



Cables used
- Generic micro USB cable
- USB extender

Tools
- leatherman skeletool cx
- mastercraft folding blade
- modeling tweezers and tape
- mastercraft soldering station
- rosin core electrical solder
- electrical tape
- modeling cement

1. Slice open micro USB head









2. Fix/solder connections and short pins 4 and 5


3. Splice micro USB cable with standard female USB cable


4. Seal everything up and test it out!


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4th June 2012, 08:24 AM |#2  
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For what you spent on the electrical tape or solder I just bought one off ebay lol
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4th June 2012, 09:24 AM |#3  
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These are all tools and material I've owned for years.

And who really wants to wait - if ur competent and skilled why not do it urself?

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4th June 2012, 09:26 PM |#4  
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nice write up but yeah, more trouble than its worth to me. bought online too.

btw you should identify which wires are which.
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5th June 2012, 12:08 AM |#5  
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Just what everyone needs, a flaky cable that might do nasty things if it gets put together wrong or falls apart at an inopportune moment. Seriously, they're $5.
5th June 2012, 01:26 AM |#6  
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Quote:
Originally Posted by jasg001

These are all tools and material I've owned for years.

And who really wants to wait - if ur competent and skilled why not do it urself?

Sent from my Galaxy Nexus using xda premium

Just saying it's a great tutorial and all but it's easier to just order one. Mine only took 3 days to get from an ebay seller.

Quote:
Originally Posted by khaytsus

Just what everyone needs, a flaky cable that might do nasty things if it gets put together wrong or falls apart at an inopportune moment. Seriously, they're $5.

Mine was only $1.99 on ebay with free shipping
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5th June 2012, 01:44 AM |#7  
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I found it easier to cut my cable and short the wires, then tape it up. I also cut it down to only a few inches. Thanks anyway OP.
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5th June 2012, 01:54 AM |#8  
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Quote:
Originally Posted by khaytsus

Just what everyone needs, a flaky cable that might do nasty things if it gets put together wrong or falls apart at an inopportune moment. Seriously, they're $5.

Used to shoddy craftsmanship? Unable to create?

Everyones opinion differs and the satisfaction I get from creating my own OTG cable won't compare to buying it even if only for 2 or 5 bucks.

But hey, we can agree to disagree right?


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5th June 2012, 01:55 AM |#9  
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Quote:
Originally Posted by kimtyson

I found it easier to cut my cable and short the wires, then tape it up. I also cut it down to only a few inches. Thanks anyway OP.

Good stuff man and thanks as we'll, glad to find a like minded person in here.

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5th June 2012, 01:56 AM |#10  
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Quote:
Originally Posted by mazdamiata210

Just saying it's a great tutorial and all but it's easier to just order one. Mine only took 3 days to get from an ebay seller.



Mine was only $1.99 on ebay with free shipping

All good man, some like to shop and others like to build.

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5th June 2012, 01:58 AM |#11  
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Quote:
Originally Posted by madman604

nice write up but yeah, more trouble than its worth to me. bought online too.

btw you should identify which wires are which.

Thanks man and good tip, I'll include wire details in the coming updates.

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