em18-reader-module
EM-18 RFID Reader Module 345.00 (Inclusive of GST)
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125khz-thickcard
125KHz RFID Thick Card 12.50 (Inclusive of GST)

125 kHz RFID TTL Base Board for EM-18 Module

107.00 (Inclusive of GST)

  • Operating Frequency: 125 kHz (LF)
  • Supports Reader Module: EM-18 / EM-18 RFID module
  • Output Format: TTL Serial (UART)
  • Communication Speed: 9600 bps (default)
  • Operating Voltage: 5V DC
  • Signal Output: 10-digit ASCII RFID Tag ID
  • Indicator: Power LED + Read LED
  • Mount Type: PCB base board with solderable terminals
Description

The 125 kHz RFID TTL Base Board is a ready-to-use breakout PCB designed to mount the EM-18 module and directly interface it with microcontrollers like Arduino, PIC, AVR, ESP32, and Raspberry Pi.
It converts the module’s raw signals into TTL-level serial output, making RFID ID reading extremely simple.

The board includes voltage regulation, signal conditioning, status LEDs, and pin headers for easy wiring. Once a 125 kHz RFID card/tag comes close, the EM-18 sends the UID, and the base board outputs it cleanly through its TTL serial interface.


PACKAGE INCLUDES:
  • 1 × 125 kHz RFID Reader Module (PCB board)
Additional information
Weight10 g
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Applications
  • Access control systems
  • Time & attendance tracking
  • Asset / inventory tracking
  • RFID based door locks, security systems
  • Educational projects for Arduino/Raspberry Pi
TECHNICAL SPECIFICATIONS
Parameter Specification
Supported Frequency 125 kHz
Compatible Reader EM-18 (ID-12 Compatible Format)
Output Interface TTL UART
Baud Rate 9600 bps (8N1)
Supply Voltage 5V DC
Current Consumption Approx. 70–100 mA (Depends on EM-18 Module)
Output Data Format 12-Byte Frame (10 ASCII Characters + CR + LF)
Read Range 5–7 cm (Depends on RFID Tag)
Board Material FR4 PCB
Board Dimensions Approx. 48 × 42 mm (Varies by Manufacturer)
Connector 3-Pin Header (VCC, GND, TX)