SeeedStudio Grove-125KHz RFID Reader Manual Download Page 2

Arduino 

Raspberry Pi 

 

 

 

 

 

Caution 

The platforms mentioned above as supported is/are an indication of the module's 
software or theoritical compatibility. We only provide software library or code examples 
for Arduino platform in most cases. It is not possible to provide software library / demo 
code for all possible MCU platforms. Hence, users have to write their own software 
library. 

Getting Started 

Note 

If this is the first time you work with Arduino, we firmly recommend you to see 

Getting 

Started with Arduino

 before the start. 

Play With Arduino 

Hardware 

 

Step 1.

 Prepare the below stuffs: 

Seeeduino V4.2 

Base Shield 

Grove - 125KHz RFID Reader 

 

 

 

Get One Now

 

Get One Now

 

Get One Now

 

 

Step 2.

 Connect Grove - 125KHz RFID Reader to port 

D2

 of Grove-Base 

Shield. 

 

Step 3.

 Plug Grove - Base Shield into Seeeduino. 

Summary of Contents for Grove-125KHz RFID Reader

Page 1: ...rnet of thing and access control system Version Product Version Changes Released Date Grove 125KHz RFID Reader V1 0 Initial Oct 2015 Specifications Parameter Value Range 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 Tip...

Page 2: ...or all possible MCU platforms Hence users have to write their own software library Getting Started Note If this is the first time you work with Arduino we firmly recommend you to see Getting Started with Arduino before the start Play With Arduino Hardware Step 1 Prepare the below stuffs Seeeduino V4 2 Base Shield Grove 125KHz RFID Reader Get One Now Get One Now Get One Now Step 2 Connect Grove 125...

Page 3: ...nger to Seeeduino as below Seeeduino Grove 125KHz RFID Reader 5V Red GND Black D3 White D2 Yellow Software Step 1 Copy the code into Arduino IDE and upload If you do not know how to upload the code please check how to upload code link between the computer and the SoftSerial Shield at 9600 bps 8 N 1 Computer is connected to Hardware UART ...

Page 4: ...a 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 call clearBufferArray function to clear the stored data from the array count 0 set counter of while loop to zero if Serial available if data is available on hardware serial port data is coming from PC o...

Page 5: ...ed with 26bits including 24bits card info and 2 bits parity bit 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 PE D E 0 D2 7 0 D1 7 0 PE is even bit PO is odd bit E is the data bit which was involved in even O is the data bit which was involved in odd DX 7 0 is the data bit which correspond to Mifare Standard Light card read only ID FAQs Q1 How to convert the output to Card Number A1 Please follow below ste...

Page 6: ...bers is available online Q2 How to read tags continuously A2 The RFID reader can read tags continuously without any setting Keep the tag 2 5 4 cm from the antenna and the reader can read data continuously And if the distance is below 2 5cm the reader reads data once if not moving tags away Resources Demo Grove 125KHz RFID Reader Demo PDF Declaration of conformity PDF Test Report ...

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