Wiegand Mode
(Jumper Set to the Right two Pins) You would need to select the jumper to "W" to enter
this mode. The
Wiegand demo code
for Seeeduino is designed to read Wiegand data in
interrupt mode.
In Wiegand Mode, output data is formatted with 26bits including 24bits card info and 2
bits parity.
bit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
-
PE
D
-
-
E
0
-
-
D2[7..0]
D1[7..0]
PE is even bit, PO is odd bit;
E is the data bit which was involved in even, O is the data bit which was
involved in odd;
DX[7..0] is the data bit which correspond to Mifare@ Standard & Light card
read only ID;
FAQs
Q1: How to convert the output to Card Number?
A1: Please follow below steps.
Take ID: 0009776930 for example: