Step 2: Make a shim to read track 1

Track 1 of a magnetic card is .11inches closer to the edge of the card than track 2.  Since the Square reader is set up to read track 2, if we stick something in the reader to raise the card by .11 inches, the read head will be aligned with track 1 rather than track 2.

You can create a shim by cutting a .11 inch strip from another card.  I have also found that the twist ties from cheap garbage bags are just about right too.
<p>You suggested one unencrypted reader 3 months ago (http://www.aliexpress.com/item/free-shipping-Mobile-Credit-Debit-Card-Reader-for-Apple-Android-iOS-3-5mm-Black-and-white/1071970592.html) but that one is no longer available. Is there another we can use?</p>
<p>Is there a way to implement this to read identification cards. Specifically to get the age of the ID holder.</p>
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<p>Do you know if the paypal reader is encrypted? Why did they start encrypting these readers? I can't see a valid security reason, so I'm guessing it is specifically to stop rival companies' apps from using their free hardware?</p>
<p>Hi! do you have an example of how to implement the lib? Thanks in advance!</p>
<p>I was looking for a general magnetic stripe reader and thought that this might be a solution. You mention that this won't work with a newer square device - how would if my square reader is the newer model. Trying to run this on the galaxy S5 and it doesn't seem to be reading...</p>
<p>It's been years since Square has produced unencrypted devices. If your device isn't working, that is probably the cause. Sorry. There are unencrypted readers you can order from China. They should only be a few dollars from alibaba or dx.com.</p><p>If you really want to see whether yours is encrypted, you could open it up and look for a battery and PCB/chip. The unencrypted readers were just a read head and some wires to a headphone jack.</p>
<p>Do you know if similar devices like one from beanstream would work?</p>
<p>I doubt it. I'd never heard of them before, but a quick google search says that they encrypt data, and it seems they also support chip and pin, which is much more involved.</p><p>Here's a link to the unencrypted chinese readers I've bought and used successfully: http://www.aliexpress.com/item/free-shipping-Mobile-Credit-Debit-Card-Reader-for-Apple-Android-iOS-3-5mm-Black-and-white/1071970592.html</p>
<p>For those of you who needs help get in touch with i can help you with almost everything you need</p>
<p>Hi! do you have an example of the implementation of the lib?</p>
Excelent instructable!
Hi Eried, Am from UAE, can I have any ideas of dumps? Coz I can do nice works....if u have 101 tracks, I would like to get it....please reply me
<p>Ashiq please get in touch with i might be able help you. Thanks</p>
http://1wutrans3er.blogspot.com Dumps track1&amp;2 with pin.
No I don't
http://1wutrans3er.blogspot.com Dumps track1&amp;2 with pin.
<p>Hi, </p><p>Can you send me me the sample code of implementing Rhombus Lib in android app?</p><p>I did not get the solution on google and I need to implement it in my android app ASAP.</p>
I've purchased several square readers. They all have several ICs so its not just a head and a resistor! Perhaps the preamp in the smart phone can pull out the signal, but you may need an amp. I used a gain of 100 to bring the signal up to a good volt so maybe a preamp set at 20X might do the trick too. The actual voltage reading coming off the head is only a few mV at best.
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Hi, first thanks a lot for the great tutorial!. I am trying to buy a square reader, however as you say in the last part of the tutorial I am afraid it would be one of the encrypted ones and it won't be useful. Any chance you can tell me the square reader you used to buy the same or a equivalent one? <br> <br>Thanks!.
Is there any way to be able to read the information placed on all three tracks... at once?
Not with the square reader, or any reader that simple. There's only one microphone channel in the headphone jack, so to get multiple signals in you'd have to multiplex them somehow. That would involve &quot;smart&quot; reader hardware and much smarter decoding software. There are 3 track magnetic read heads available, and I'm sure it would be possible to construct a 3 channel raw reader with a microcontroller, but you'd still need to get that data to the phone somehow.
Thx for your reply
One more thing, does the lib only reads track2 data? Once I swipe card, how can I interpret track 1 and 2 separately?
The RhombusLib library actually can decode either track 1 or track 2, but not both from the same swipe. The square reader provides only a single channel of data, and is physically aligned to read track 2. You can offset the read head relative to the magnetic stripe by inserting a small shim to align the read head with track 1. This is obviously not an exact science.
Hi, <br> Can you send me or post the code sample how to use the lib? I've no idea when to call those classes in my app. Thx in advance.
I have a demo program that I will create a github repository for, probably this evening. I'll update with a link to it when it exists.
How about writing using the same technique, the other way around ? <br>I mean playing the audio, moving the card at a certain rate, and using the (cassette-recorder?) head to write....

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