RFID-HAT

RFID HAT (Incomplete Wiki)

RFID HAT for Raspberry Pi is the latest technology in the range of SB Component products boasting with an updated UART interface running at the frequency of 125KHz with a compact design that has a programmable 0.91” OLED Display that compatibles with all the variants of Raspberry Pi.

Features

• Standard Raspberry Pi 40 pin GPIO Extension header.
• UART communication interface
• On-board programmable 0.91" oled display.
• Programmable buzzer
• Support 125 KHz cards/tags/key fobs .

Specifications

• Operating voltage: 5V DC
• Operating Frequency: 125 KHz
• Communication Interface
• Default Baudrate: 9600

File:RFID-HAT.png

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Pinout

Board PIN	Raspberry Pi GPIO (BCM)
VCC	5V
GND	GND
RFID TX	GPIO 15
OLED SDA	GPIO 2
OLED SCL	GPIO 3
Buzzer	GPIO 17

Installation

Python

Library Installation

Before running this board you have to install the required libraries for RFID HAT.

• For Python3, install these two libraries by running the below command on the terminal.

sudo apt-get install python-smbus
sudo apt-get install i2c-tools

Board TEST

Required Hardware

• Raspberry Pi x 1
• RFID HAT x 1

Enable I2C and Serial Interface

• Open a terminal and run the following commands to enable I2C：

sudo raspi-config

Choose Interfacing Options -> I2C ->yes

• Again run below command to enable Serial

sudo raspi-config

Choose Interfacing Options -> Serial -> No -> Yes

• You can also enable Serial and I2C using Graphical method, Open Menu by clicking on Raspberry Pi icon >> Preferences >> Raspberry Pi Configurations >> Interfaces , and select below option.

• Now reboot your pi by running the below command :

sudo reboot