Datasheet

RB-See-202
Seeedstudio Grove 125Khz RFID Reader
Introduction
This Grove-125KHz TFID 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.
Features
 Selectable output format: Uart or Wiegand.
 4Pins Electronic Grove Interface
Application Ideas
 Internet of Thing
 Pet Toy
 Access Control System
Specifications
 Supply voltage: 5v
 Max sensing distance: 7cm
 Uart output: TTL output, 9600baudrate, 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;