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Custom Micro USB flash drive--Add up to 32GB/64GB to your phone/tablet!

post #1 of 23
Thread Starter 
**UPDATE** For latest info please skip to post #8.


I've been toying around with this idea for quite some time, but I never had time to actually do a hands-on test.

Well, my parts from China courtesy of eBay finally arrived in the mail. I don't want to make any misleading statements, but I believe this is the smallest Micro USB flash drive (at the moment) to exist for phones and tablets. I have not found anything else online readily available to buy, or even directions to make one.

The mod itself is a breeze if you've done this sort of thing before. Although to a newcomer, I don't know if I'd recommend it.

The goal of this project was simply to suit my own needs. Opting for the puny 8GB Nexus 7, I quickly found myself without enough space for all my music. Yes, I still do things the old-fashioned way. I only stream music when I have Wifi access which is extremely limited. Ergo, for flights, bus rides, and waiting rooms I need a way to store my music library. I despise those ugly OTG cables and flash drive combos; they simply will not do.

The result... this.

I do not have an enclosure for it yet--that's the next step. Maybe I can find some of those odd little plastic parts laying around the house an improvise something. I'm an engineer at heart, so making use of obscure scraps is my specialty.




If anyone is actually interested I will consider writing a tutorial with pictures.

Thank you for taking interest!
Edited by EliteGamer83 - 5/30/13 at 7:00pm
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post #2 of 23
Show a closeup pic of the drive itself.
post #3 of 23
everyone is interested, get writing thumb.gif
my toy :D
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my toy :D
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post #4 of 23
Thread Starter 
Pictures of the drive? Done.

As for a tutorial, I'd really like to make one with visuals if possible. I am planning on making a second anyway, I only bought a 4GB to prototype with in case I either destroyed it, or things did not go as planned. That way I wouldn't be out quite as much cash. I'm designing a housing for the unit at the moment and I hope to have it 3D printed. It's rather difficult to get dimensions exact in making a 3D model when dealing with millimeters.


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post #5 of 23
I use one of these for my laptop, which I purchased for 99p on Ebay, it's connected to a 32GB Sandisk SD card I had lying around thumb.gif
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post #6 of 23
Haha, it's just a piece of NAND wired directly to a mini-USB connector.

I like it. However, instead of making a standard casing, put it in a mold and pour resin around it, just enough to protect the wires and make sure it doesn't come apart easily.
Edited by Blameless - 5/8/13 at 2:49pm
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post #7 of 23
Thread Starter 
Quote:
Originally Posted by Blameless View Post

Haha, it's just a piece of NAND wired directly to a mini-USB connector.


Well what exactly did you expect? Prefabbed silicon is going to be about as small as you can get. Designing anything by hand would only take up more room. Not to mention all the software and drivers to interface are already in place. http://en.wikipedia.org/wiki/KISS_principle.
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post #8 of 23
Thread Starter 
I did like your advice about just dipping the whole thing as is into some resin, but me being the perfectionist I am, I wanted something more professional looking so I went ahead and designed, and printed an enclosure for it.This current model is optimized to have the smallest footprint for the Nexus 7 specifically, but I created a 2.0 version that will fit flush to any micro USB connector for when I get my new Galaxy phone. This way, the micro thumb drive will be essentially universal.

I also must add, if you ever need something 3D printed, you cannot go wrong with http://shapeways.com. Very pleased with everything.

Pictures below.









And just like that I have an additional 32GB's of storage! biggrin.gif
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post #9 of 23
Thread Starter 
I'm actually surprised at how little interest there is in this project. No matter, if anyone has further inquiries please feel free to post them here or shoot me a private message. For the time being I will not bother with taking the time to create a tutorial since there is so little interest in this. But if you need a parts list, source files, or guidance on how to make your own please do not refrain from asking!

Closed then I suppose for the time being.

Cheers.
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post #10 of 23
What if your device doesnt support USB OTG?
     
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