Alternatives to proxmark 3?

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1

I was wondering if there was an arduino compatible 125 khz read/writer under $20 that works with a t5577 chip?

2

Reader yes. Writer no project that I have come across yet if you find one please post it.
With a $ 20 budget you could just modify a blue cloner

But do modify the antenna. And do some research on it I know there has been probs with this one in the past and people accidently locking there chips

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3

In which way do you mean to modify the antenna?

4

Here’s the antenna mod and an intro the the cloner:

5

Thank you I could not find this post for the life of me

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6

There are two version of Blue Cloner on the market. One is only read EM chip and one can read EM/HID/AWID. You can find them on ebay or aliexpress.

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Thanks!!