Circuit Documentation

Summary of the Circuit

This circuit integrates an Arduino UNO microcontroller with a 125 kHz RFID Reader. The Arduino UNO is responsible for controlling the RFID reader and processing the data it receives. The RFID reader is powered by the 5V supply from the Arduino and communicates with the Arduino via serial communication. The ground connections between the two devices are also established to complete the circuit.

Component List

Arduino UNO

• Description: A microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0-A5, SCL, SDA, AREF, D0-D13.
• Purpose: Acts as the central processing unit for the circuit, controlling the RFID reader and handling data processing.

125 kHz RFID Reader

• Description: A radio frequency identification reader that operates at 125 kHz.
• Pins: TX, RX, VCC, GND.
• Purpose: To read RFID tags and send the data to the Arduino UNO for processing.

Wiring Details

Arduino UNO

• 5V connected to RFID Reader VCC
• GND connected to RFID Reader GND
• D1 (TX) connected to RFID Reader RX
• D0 (RX) connected to RFID Reader TX

125 kHz RFID Reader

• VCC connected to Arduino UNO 5V
• GND connected to Arduino UNO GND
• RX connected to Arduino UNO D1 (TX)
• TX connected to Arduino UNO D0 (RX)

Documented Code

Arduino UNO Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Notes

• The provided code is a template and does not contain any specific logic for interacting with the RFID reader. The user must implement the setup and loop functions to initialize the serial communication with the RFID reader and to handle the data accordingly.
• The D0 and D1 pins on the Arduino UNO are used for serial communication with the RFID reader. These pins correspond to the RX and TX pins of the Arduino, respectively.

This documentation provides an overview of the circuit, including the components used, their wiring, and the base code for the Arduino UNO. Further implementation details should be added to the code to achieve the desired functionality.