Ardi_RFID_Shield_Software

Ardi RFID Shield is based on the EM-18 module, operating at a frequency of 125 KHz. Having onboard single channel optoisolated relay allow you to control lights, motors, or other high-power devices. This shield seamlessly integrates with your Arduino Uno and compatible boards, Ardi32 and ArdiPi.

This github provides getting started guide and other working details for Ardi RFID Shield

Features:

• Onboard 125kHz EM18 RFID small, compact module
• Onboard High-quality relays Relay with Screw terminal and NO/NC interfaces
• Shield compatible with both 3.3V and 5V MCU
• Onboard 3 LEDs power, relay ON/OFF State and RFID Scan status
• Multi-tone Buzzer onboard for Audio alerts
• Mounts directly onto your ArdiPi, Ardi32, and Arduino compatible boards

Specifications:

• RFID operating Frequency: 125kHz
• Reading distance: 10cm, depending on TAG
• Integrated Antenna
• Relay Max Switching Voltage : 250VAC/30VDC
• Relay Max Switching Current: 7A/10A

Hardware Overview

Pinout

• (1) 4 Relay
• (2) Relay ON/OFF status LED

Interfacing Details

When RFID shield mounted on Arduino Uno,

RFID shield	Arduino UNO
Transmit Pin	D0 (serial Rx of Arduino)
Relay	D2
Buzzer	D3

• Make sure to disconnect RFID shield when uploading code to Arduino UNO, since it is using Hardware serial.
• Once code uploaded then Mount RFID shield on Arduino and open serial monitor and set baudrate as 9600 to test code.
• When card detected, value printed on serial with audio alert and relay state toggled

When RFID shield mounted on Ardi32,

RFID shield	Ardi32
Transmit Pin	IO18 (serial Rx of ESP32)
Relay	IO1
Buzzer	IO42

When RFID shield mounted on ArdiPi,

RFID shield	ArdiPi
Transmit Pin	GP1 (serial Rx of Pico W)
Relay	GP5
Buzzer	GP2

Example Codes

Ardi RFID shield Sample codes provided for different boards

• Ardi RFID shield for UNO
• Ardi RFID shield for Ardi32
• Ardi RFID shield for ArdiPi

Using this sample code as a guide, you can modify, build for other boards and share codes!!

Resources

• Schematic
• Hardware Files
• Step File
• Official Arduino Getting Started
• Official Pico W Getting Started
• Official Getting Started with ESP32 in Arduino

Related Products

• Ardi-32 - Arduino Uno Form factor with latest powerful ESP32 S3
• ArdiPi - Arduino Uno Form factor with powerful Pico W of Raspberry Pi having onboard WiFi and BLE support.
• Ardi Display Shield - 2.0" Display Shield with onboard Programmable Buttons and Joystick
• Ardi UHF Shield - UHF based shield with Oled display and Buzzer onboard
• Ardi Relay Shield - Relay Shield with Screw terminal and Relay ON/OFF Status LED

Shields are compatible with ArdiPi, Ardi-32 and Other Arduino Uno Compatible boards.

Product License

This is open source product. Kindly check LICENSE.md file for more information.

Please contact support@sb-components.co.uk for technical support.