iButton reader

14.00EUR

iButton is useful for authentication (antitheft).
Similar to a battery-holder (with 2 metal contacts) that iButton can be easily touched against.
  • I-button reader case must be connected to GND (signal-GND)
  • I-button middle pin must be connected to EC18/pin16
Separate lamp or LED cathode can be connected to VEMS ECU low power ("p259") output (configured as Output / Warning light, also called CEL/Check Engine Light) so that it flashes until touchon of correct button.
The smarties are inside the related products, at least 1 needed from each to be useful:
  • 2 iButtons can be useful: 2nd ibutton switches to eeprom page-B. Example usage: page-A can be "wallet-mode" and page-B can be high power (or "fallback to safe-defaults" and "cutting-edge under-tuning", whatever one likes)
  • DS2480B interface chip
  • VEMS ECU
  • 10mm LED
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