The RFID Reader  Board

1. provide 1 buzzer  (GPIO18)

2. provide 1 Big Push Switch (GPIO27)

3.  Green LED    (GPIO19) Red LED (GPIO24)

4. provide RFID socket ( SPI signal) / NRF24L01 socket (SPI signal)

    you can choose use RFID or NRF24L01  ( both use SPI signal)

5. Provide 1 extra i2c device input port, for 3.3V device

6. provide DS18B20 temperature sensor socket (GPIO4)

7. provide IR Receiver sensor socket (GPIO23)

8. provide IR PIR motion sensor socket (GPIO22)

9. provide one Relay (GPIO17)

10. 1 step Motor (28byj48-5V) socket  (GPIO 5,6,12,13)   

11. HAT EEPROM 24c32   

12. TXD, RXD Bluetooth module socket

13. ESP8266 WifI module socket

Click "RFID Panel " software will auto run with terminal window

provide GUI interface control software, easy to control Relay, 18B20, stepper Motor

1. "Read RFID" read card information to Program              2. "Save" save card information to file

3. "Load" load card information from file                4. "on" turn on/off  switch to trigger

5. "off" turn on/off  PIR sensor to trigger      6. "on" turn on/off  18B20 sensor to trigger

6a.  18b20 temperature trigger ( Above will trigger the relay / stepper )       

7. "Trigger" enable trigger for Relay & Stepper Motor

8.  Relay  "On"/"Off"   9. Relay delay time ? sec 

10. Relay Repeat Count   11. Relay Pause after repeating on/off

12.  Stepper Motor  "Off"/"On"   13. Stepper Motor Clock wise/counter clockwise   

14. Stepper Motor speed ms/step    15. "Turns"  how many steps you want stepper motor turn

16. card information screen      17. System message screen

18. RFID control panel software icon

RFID Reader demo

18B20 Temperature sensor & Step Motor & RFID reader demo

NRF24L01 demo

NRF24L01  WiFi Scanner demo

RFID reader plug-in RFID socket

MF RC522 is applied to the highly integrated read and write

13.56MHz contactless communication card chip

Low-voltage, low-cost, small size of the non-contact card chip to read and write

Smart meters and portable handheld devices developed better choice

The MF RC522 use of advanced modulation and demodulation concept completely integrated in all types of 13.56MHz passive contactless communication methods and protocols

14443A compatible transponder signals

The digital part of to handle the ISO14443A frames and error detection.

support rapid CRYPTO1 encryption algorithm, terminology validation MIFARE products

MFRC522 support MIFARE series of high-speed non-contact communication, two-way data transmission rate up to 424kbit/s

Specification:

Operating Current :13-26mA/DC 3.3V

Idle Current :10-13mA/DC 3.3V

Sleep Current: <80uA

Peak Current: <30mA

Operating Frequency: 13.56MHz

Supported card types: mifare1 S50、mifare1 S70、mifare UltraLight、mifare Pro、mifare Desfire

Environmental Operating Temperature: -20-80 degrees Celsius

Environmental Storage Temperature: -40-85 degrees Celsius

Relative humidity: relative humidity 5% -95%

Data transfer rate: maximum 10Mbit/s

Size: RFID-RC522 Module:3.9 x 6 cm The Standard S50 Blank Card :8.5 x 5.4 cm

Diameter of S50 special-shaped card: 3.1(max)

software support

Install tools for RFID kit in Raspberry Pi , in our Pi_Scratch_v268  folder” Installer”     

sudo python RFID-Installer.py     -- if you already install  previous Pi_Scratch ver already.

first time user, use    sudo python Install.py   

  RFID reader & Relay  control

Support our Pi_Scratch software   

Scratch control demo

1)Command "RFID"+"INIT"+"0" for ce0 

or "RFID"+"INIT"+"1" for ce1

will initial SPI signal to active RFID Reader

2) you will see "LastRFID" & "RFID" in Sensors

Scratch demo read RFID and GPIO output

scratch demo code ( read card and compare with database)

ADD RFID Card into data base

Press “space” key then scan your RFID card