You can make diffeent projects of security systems using RFID reader
RFID Card Reader Module is used in various projects and also could be used for learning prospects.
125 Khz RFID reader with serial and weigand26 output.
Easy interface to computer serial terminal through DB9 connector or direct interface to microcontroller via onboard connectors.
Onboard buzzer and LED for indicating card detection.
Onboard switch (SEL) for selecting Serial/ Wiegand26 output format.(When pressed gives Serial output else provides Wiegand26 output)
Supply Voltage â€“ 9V to 12V DC
Operating current â€“ 50mA
Operating Frequency â€“ 125 KHz
Read Distance â€“ 10cm.