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add ibutton

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aanper 2020-08-02 07:18:44 +03:00
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README.md
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* [Sub-1 GHz radio](wiki/sub-1ghz-radio.md)
* [125 kHz RFID](wiki/125khz-rfid.md)
* [iButton contact keys](wiki/ibutton.md)

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wiki/ibutton.md Normal file
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# iButton contact keys
Flipper Zero has a built-in 1-Wire pad to read iButton (DS1990A) keys, also known as TouchMemory or Dallas keys. This technology is quite old but still widely used around the world. It's based on 1-Wire protocol and doesn't have any authentication, so Flipper can easily read these keys, save IDs into the memory, write IDs to blank keys, and emulate the key itself.