Board-dat/NID/NID1005-DAT/NID1005-DAT.md
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# NID1005 DAT
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-EM4100 125Khz RFID Card Read Module, RDM6300, RDM630, UART
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-- [[EM4100-dat]]
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+[EM4100 125Khz RFID Card Read Module, UART](https://www.electrodragon.com/product/125khz-em4100-rfid-card-read-module-rdm630-uart-output-arduino-shield/)
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+[Legacy Documentation](https://w.electrodragon.com/w/RDM6300)
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-Main Product link
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-https://www.electrodragon.com/product/125khz-em4100-rfid-card-read-module-rdm630-uart-output-arduino-shield/
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+Order keys or cards:
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-Documentation:
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+[em4100-125khz-rfid-keys](https://www.electrodragon.com/product/em4100-125khz-rfid-keys/)
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-https://w.electrodragon.com/w/RDM6300
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-Order keys or cards:
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+[em4100-125khz-rfid-card-compatible-with-rdm630](https://www.electrodragon.com/product/em4100-125khz-rfid-card-compatible-with-rdm630/)
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+
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-https://www.electrodragon.com/product/em4100-125khz-rfid-keys/
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+## ref
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-https://www.electrodragon.com/product/em4100-125khz-rfid-card-compatible-with-rdm630/
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+- [[EM4100-dat]] - [[125khz-dat]]
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+- [[RFID-dat]]
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Tech-dat/Network-dat/RFID-dat/EM4100-dat.md
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# EM4100-dat
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-- [[125khz-dat]]
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+- [[125khz-dat]] - [[NID1005-dat]]
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Tech-dat/Network-dat/RFID-dat/rfid-dat.md
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- [[13.56mhz-dat]] - [[134.2khz-dat]]
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+- [[wiegand-dat]]
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+
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+- [[NFC-dat]]
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## Boards
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-- [[NID1020-dat]] - [[NID1021-dat]] - [[NIE1022-dat]]
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+[[125khz-dat]] - [[NID1020-dat]] - cards and keys - [[NID1021-dat]] - [[NID1022-dat]]
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-cards
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-- [[NID1003-dat]]
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+[[125khz-dat]] - [[NID1005-dat]] - cards and keys - [[NID1003-dat]] - [[NID1009-dat]]
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+
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+readers [[USB-dat]] based - [[NID1024-dat]]
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+
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+[[NFC-dat]] - [[NID1026-dat]]
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+
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-readers
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-- [[NID1024-dat]] - [[NID1026-dat]]
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## ref
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Tech-dat/Network-dat/RFID-dat/wiegand-dat/wiegand-dat.md
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+
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+# wiegand-dat
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+
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+A **Wiegand device** typically refers to a component in an access control system that uses the **Wiegand interface** to communicate. This interface is a de facto standard for transmitting data from a card reader (like those for ID badges) to an access control panel.
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+
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+Key characteristics:
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+* **Data Lines:** Uses two data lines, typically DATA0 (D0) and DATA1 (D1).
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+* **Signaling:** A pulse on D0 represents a binary '0', and a pulse on D1 represents a binary '1'.
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+* **Format:** Data is sent in a specific bit format (e.g., 26-bit Wiegand is common, but many others exist), which includes parity bits, facility codes, and card numbers.
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+* **One-Way Communication:** It's generally a one-way communication from the reader to the controller.
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+* **Physical Layer:** Originally based on the Wiegand effect in specially prepared wires, though modern readers often emulate this electrical interface.
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+
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+In short, it's the technology that allows a card reader to send identification data to a control panel to grant or deny access.
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+
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+
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+
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+## ref
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+
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+- [[rfid-dat]]
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Tech-dat/Network-dat/network-dat.md
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- long distance = [[lora-dat]] - [[lorawan-dat]]
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-- [[RFID-dat]]
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+- [[RFID-dat]] - [[wiegand-dat]]
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- [[M2M-dat]] - [[LTE-dat]] - [[LWPA-dat]]
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