Wiegand Bit Format Finder
Determine the correct starting bit and bit length for card number and facility code fields when programming multi-vendor Wiegand card formats. Swipe a test card, paste the hex value, enter the known card or facility number, and use the sliders to confirm where each field sits in the bitstream.
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Inputs
Paste the Wiegand hex string from a test card swipe. Enter the known card number and/or facility code printed on the card or shown in your old system. Bit index 0 is the leftmost bit in the stream below.