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Summary of Contents for Seeed Grove 125KHz RFID Reader
- Page 1 Grove - 125KHz RFID Reader Release date： 9/20/2015 Version： Wiki: http://www.seeedstudio.com/wiki/Grove_-_125KHz_RFID_Reader Bazaar: http://www.seeedstudio.com/depot/Grove-125KHz-RFID-Reader-p-1008.html...
- Page 2 Document Revision History Revision Date Author Description Sep 21, 2015 Victor.He Create file...
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Page 3: Table Of Contents
Contents Document Revision History · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 2 1. - Page 4 Under the supervision of Seeed Technology Inc., this manual has been compiled and published which covered the latest product description and specification. The content of this manual is subject to change without notice.
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Page 5: Introduction
1. Introduction This Grove-125KHz RFID Reader is a module used to read uem4100 RFID card information with two output formats: Uart and Wiegand. It has a sensitivity with maximum 7cm sensing distance. There is also the electronic brick version of this module. It can help you with project like internet of thing and access control system. -
Page 6: Specifications
2. Specifications Voltage: 4.75-5.25V Working Frequency 125 KHz Sensing Distance(Max): 70mm TTL Output 9600 baudrate, 8 data bits, 1 stop bit, and no verify bit Wiegand Output 26 bits Wiegand format, 1 even verify bit, 24 data bits, and 1 odd verify bit... -
Page 7: Demonstration
3. Demonstration Here we show how to read RFID information using the Grove - 125KHz RFID Reader. Connect Grove - 125KHz RFID Reader to UART of Grove - Base Shield. Uart Mode (Jumper set to the left two pins) You would need to select the jumper to "U" to enter this mode, and the setting is: 9600bps, N, 8, 1, TTL output // link between the computer and the SoftSerial Shield //at 9600 bps 8-N-1... - Page 8 void loop() (SoftSerial.available()) // if date is coming from software serial port ==> data is coming from SoftSerial shield while(SoftSerial.available()) // reading data into char array buffer[count++]=SoftSerial.read(); // writing data into array if(count == 64)break; Serial.write(buffer,count); // if no data transmission ends, write buffer to hardware serial port clearBufferArray();...
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Page 9: Wiegand Mode (Jumper Set To The Right Two Pins)
Wiegand Mode (Jumper Set to the Right two Pins) You would need to select the jumper to "W" to enter this mode. 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. D2[7..0] D1[7..0] D0[7..0]...
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