EM18 RFID Reader is used to read RFID tags and pass on the Tag Number to Microcontroller/Development board. It is used for applications like employee id card scanners, medical tag reading and other authentication authorization processes.
EM-18 Module Pin Details
EM-18 is a nine pin device. Among nine pins, 2 pins are not connected, so we basically have to consider seven terminals.
Pin Number | Description |
VCC | Should be connected to positive of power source. |
GND | Should be connected to ground. |
BUZZ | Should be connected to BUZZER |
NC | No Connection |
NC | No Connection |
SEL | SEL=1 then o/p =RS232
SEL=0then o/p=WEIGAND |
TX | DATA is given out through TX of RS232 |
DATA1 | WEIGAND interface DATA HIGH pin |
DATA0 | WEIGAND interface DATA LOW pin |
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