The Wiegand interface is a de facto wiring standard which arose from the popularity of Wiegand effect card readers in the 1980s
Questions tagged [wiegand]
18 questions
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2 answers
Python reading Wiegand dropping Zeros
Here's the code snippet from my RFID wiegand reader on my Raspberry Pi I use already.
def main():
set_procname("Wiegand Reader")
global bits
global timeout
GPIO.add_event_detect(D0, GPIO.FALLING, callback=one)
…
swg1cor14
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2 answers
What Does >> mean in Python?
Someone sent me this equation but I don't understand what it means.
result = ((~c1) >> 1) & 0x0FFFFFF
It has to do with converting the binary from a wiegand reader.
Reference
swg1cor14
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Wiegand 34 readers vs MFRC522. Different card Uid
On arduino, one mifare card, was different UID.
Read with mfrc522: 30166134113 (DEC)
with Wiegang 34: 1904649758 (DEC)
Possible convert UID from Wiegang 34, to mfrc522 code ?
kang2k
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