flipperzero-firmware/wiki/features/iButton-contact-keys.md
2020-08-15 09:57:12 +03:00

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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.

  • Reading & Writing & Emulating
  • Protocol detection: юзер может определить тип ключа поднося ключ к флипперу и тип считывателя поднося флиппер к домофону (цифрал, даллас и т.д.)

Reading

iButton(1-Wire) -> Reading

Flipper will wait for iButton tag. While waiting red LED is blinking.
Lean tag on iButton reader in the back side of Flipper Zero:

UI

Main menu

  • Read
  • Saved Keys
  • Enter manually