Access Control Protocols

Tutorials about various access control protocols, everything from bit formats to communication formats.

4 guides

• How to hack a UHPPOTE system to work with Apple Access Passes

  It's janky, but it works - how we got our credentials working with UHPPOTE systems.

  Auston Bunsen

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• Decoding the Wiegand protocol

  This guide demonstrates how to decode the widely used 26-bit Wiegand protocol using Python on a Raspberry Pi, including detailed wiring instructions, code implementation, and an explanation of its ...

  Auston Bunsen

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• Examples of every access control bit format

  We created 70 sample bit streams for the most common bit / card formats so you don't have to.

  Auston Bunsen

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• An overview of how basic access control systems work

  We go through everything from Wiegand to NFC readers and everything in between. After reading this, you should have a high level understanding of how modern access control systems work.

  Auston Bunsen