Maybe just stick a Proxmark Pro to the back of the phone 
I tried reimplementing a few PM3 client commands in Lua and in pure Python, and it gets tricky very quickly - as in, you’re looking at reimplementing the entire client essentially. There are several problems with that:
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The PM3’s protocol is a hodgepodge of high-level commands that get executed by the PM3’s hardware (easy to implement) and low-level raw data reads and writes that are decoded and interpreted client-side (harder)
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The documentation is beyond sketchy (read: there isn’t one - read the code)
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It’s a shifting target: it keeps changing from one iteration of the firmware / client to the next, which is why it’s so important to keep the two in sync.
In the end, I decided the bext course of action is to use the client as a backend. Spawn it as a separate process, send it commands through its stdin and get the results back through its stdout. And even that is not ideal: for instance, SiRFIDaL can use the PM3 as a reader, but I’ve had one report telling me it doesn’t work anymore because either one of the commands it issues it has changed, or the client’s output has changed and the regex used to recover the data it needs doesn’t match anymore.
The PM3’s software - firmware and hardware - is a maintainability, interoperability and compatibility nightmare. If it wasn’t a community project that someone kindly does on his own time, I’d be extremely pissed off with it.
I’ve had success with running a Sonny PaSoRi via NFCPy from my Pine.
And it’s one that looks like it could be flattened down pretty nicely.
Just adding 2 cents, while it’s kinda hard for me to forum up this week =P
For a full on GUI, yes.
But all you actually need is to extend a terminal.
Add one row of buttons, manage the state of the application, and present buttons to the user based on what he is doing.
One button press = pipe a command to be executed in that terminal.
For a mobile integration that hybrid solution would cover all my GUI needs to be honest.
As in,…
If I am using a proxmark, either I am “setting up shop”
- so I want a keyboard + mouse + terminal
Or I am doing a very selkect and pre-defined set of operations, such as read then clone.
- in which case, I just need 3/4 buttons total, and the terminal output is there only to help me double check stuff
Completely ridiculous idea because of current limitations
But imagine having chips that reacted to other chips
Be it led or a chirp
Imagine meeting another “cyborg” and our handshake is our chips actually “handshaking”
So stupid but so worth it lol
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if only we could have non-reactive safe chips…
That would be amazing!! 
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we kinda have that now… when shaking hands you use your thumb to probe around L0 for an implant in the person’s hand you’re shaking 
works pretty well actually.
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Is this some kind of left handed shake? Because that sounds pretty terrible
I can’t picture how someone would wind up with their hand on my left hand
I imagine a fist bump that makes a chirp
And this has turned into a derail
It works well unless you can’t feel any implant. Then you’re left trying to explain to a random dude why you’ve been fondling his hand with your thumb for the last 5 seconds.
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yeah… basically you shake their hand as normal with your right hand… then you grapple them to the ground and put their left arm in a leg lock… then jab your thumb into their hand repeatedly until you find a chip or the police arrive. simple really. works really well!
No no, it’s really subtle… normies don’t even notice their arm being pulled from its socket.
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If you could make an implant that does a display like the one shown in this image how would you do it?
I’m thinking flex pcb layers for a seven segment display, a razor thin battery with a qi charger module, and probably some kind of specialized illuminating bit (don’t think smd LEDs will make the cut). Maybe OLED if power wasn’t an issue but idk.
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Excellent idea. Do you have any experience testing prototypes like that? I’m sure the community would be able to provide some help with that.
I’ve hacked little things together over the years. I feel like this wouldn’t be too difficult to achieve. Using straight flex oled is still a long way off though, the tech just isn’t there yet. If I or someone could think of an ingenious way to get the lumins needed on such a display then the only thing left would be to figure how to implant that monster without too much scarring 
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My other crazy idea: implantable proxmark3 or other device like the chameleon tiny
Key problem, battery.
it’s has to be possible though, if these guys can engineer it. someone can open source it eventually.
just found these from a cursory search.
https://www.eaglepicher.com/markets/medical-power/
edit: found this article as well. seems pretty interesting! (one of their prototypes is a flat plane 
)
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Ha ha famous last words well let me know if you want any assistance
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So true, lol…
After this project is done I’ll take a look at how much it would cost for some flex pcb prints. Even if we were to only design a concept model that still one step closer to the goal.
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Have you seen their battery specs? And how much power any type of LED requires to keep running? Besides batteries start to run out after a few 1000s power cycles. Their size is not that small at all and re-charging them would also require a protection circuit which would have to be part of the same implant, not to mention they are not MRI safe. Is easy to dream, specially if we don’t know much about electronics, I’m no expert, so I won’t keep putting my spoon in the subject, perhaps its possible somehow, idk.
Just a heads up it will cost about $120 to get a few hundred flex PCBs (minimum order quantity). You can make it cheaper by prototyping on rigid though.