Card **** ***** ** *******
*** **** ****** *******, only ***** *********** *** used ** ******** ***********. Even *** ******** **.** MHz ***********, ***** *** only ******* ** **** on *** **** **** to ********* ***** ** called * '**** ****** number', ** ***.
**** *** ** ***** the **** ****** *******, embossed, ** ****** ** the ****. ** *******, every ****, *** ************* user, **** *** * 'unique' ******.
*** ***** ***** ***** example *** ******** ** credentials:

Problem **** *****: ******** ****** ******
*** ************ ********** ******* reader *** **** ********** must ** ***** ********* for *******, ******** ********** data ** ** ****** between *******.
*** *** ******** ** access *******, **** ********** uses *** ********* *****: generally *** '*****' *** 'white' ****** *****, ******** called *** '******* *****'. Some ********** *** ** observed ** ***** *******, but **** *** ***** readers ************ *** ***** conductors *** ******* ***********.
*** ***** ***** ***** connect ** ****** *** crucial ** ****. ** general, ******* ***** *** connected ** *** '**' and '**' *****, *** the **** *****/******** **** be ********.
**** **********, **** *********** ones, ********** ***** *** 'D0/Green' **** ** *** 'D1' **** *** ** on, ******* * *** problem **** ** **** to ****** ** * casual ****:

Diagnosing ******* ***** ******* **********
****** **** ************ *** wiring ********, *** ******* for ******** **** ****** wiring ******* *** ** done **** * ******* PC ** **** ********/**** the ***** **** **** the ********** ******* ********** by *** ****** *** the ****** ********** ****** on *** **** ******.
*** **** **** ******* is *************** *** **** 'free' ******* **********, ******** any *********** **** ******** decimal ******* ** ****** can ** ****.
*** ***** ***** ***** Windows **********:
- ** * **, *********** ********** ** '**********' Mode
- **** ** *** ******/*** credential ***** (******* '*****')
- ***** *** ****** (***) value (******* '**** **** 0101 ****')
- ***** *** ******* ****** value ** **** ****** back **** **********. ******* all '*' **** '*' and **** *****. (******* '0101 **** **** ****')
- ***** *** ******* (***) value ** *** ** it ******* *** ******* credential ***** **** ******* on *** ****. (******* '23713')
** *** ******* ***** in **** * ******* the ****/ **** ****** be **** ** *** reader, *** ** *** D1 ***** *** ******** or *********** **********.
*** ******* ** ******* fixed ** ******** *** wires ** ** ** the ******* *****, ******** the **********, ********, ** termination ****** *** ******** Wiegand ******.
Video ***********
*** ***** ***** ************ the *******, ** ** use ******* ********** ** Binary **** ** ***** inverse ****** ** *** system ******* **** ***** values ****** ******** ****:
Wiegand **** ******
*** ******* ***** ****** on *******, ***** ****** binary, ** ******** ********** information ** ****** ***********.
** *******, ******* *********** use *** ***** ** communicate **** ******. **** dormant, **** ** *** two *****, ** (*****) and ** (*****) **** a **** ******* ** 5 *** ** *** line.
**** **** ** **** by *** ****** **** a ********** ** ****, the **** ******* *********** drops ** * ***. This **** ** ********** as ****** * '*' or '*' ****** ***** based ** ***** **** the **** ** ****:

****** ******* ** *********** values, ***** ******* *** either '*' ** '*' and *** *** ******* or *********.
******* ***** ****** *** basic ******, ********** ******** up *** ***** ********** registers **** ** *** wrong ****, ***** ******* a *********** *****, *** access ****** ******* ******.
Does *** **** *** ****
** ****, *** ****** above **** *** **** for *************** **** ********* readers, **** *******.

*****~**% ** *********** ****** they *** ******* *** majority ** *** ****, *** ******* *** encrypted ****** ** **** means **** ******, *********** binary ** ** ****** used.
*************, *** **** ******* uses ****** ** **** one ** *** **** troubling ******** *****, ********** to '*** ** *** middle' ******** ***$** ****** ** ************** **** **** **** details ** ********** ******* often *******$** ** ****.
Comments (5)
Undisclosed #1
Some more calculator fun.
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Undisclosed Manufacturer #2
No need to mess about with hex or binary here, nor getting the number and swapping 0s and 1s.
Simpler to subtract the number from 65535
65535-41822=23713
65535-65523=12
Obviously that doesn't explain why it is wrong, and why this fixes it.
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Undisclosed Integrator #3
Its Complicated to work in HEX, normal installer doesnt have this info
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