Circuit Documentation

Summary

This circuit integrates various components controlled by an Arduino Nano microcontroller. It includes a servo motor, a buzzer, two LEDs (red and green), two IR sensors, and an RFID-RC522 module. The circuit is powered by a 12V power supply, with the Arduino Nano regulating voltage for certain components. The IR sensors detect the presence or absence of objects, the RFID-RC522 module is used for RFID communication, the servo motor is controlled via PWM, and the LEDs and buzzer provide visual and auditory feedback, respectively.

Component List

Servo

• Description: A motor capable of precise position control.
• Pins: GND, VCC, Pulse

Buzzer

• Description: An audio signaling device.
• Pins: PIN, GND

LED: Two Pin (Red)

• Description: A red light-emitting diode.
• Pins: Cathode, Anode

LED: Two Pin (Green)

• Description: A green light-emitting diode.
• Pins: Cathode, Anode

IR Sensor

• Description: A sensor that detects infrared light, commonly used for object detection.
• Pins: Out, GND, VCC

Arduino Nano

• Description: A small, complete, and breadboard-friendly microcontroller board based on the ATmega328P.
• Pins: D1/TX, D0/RX, RESET, GND, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11/MOSI, D12/MISO, VIN, 5V, A7, A6, A5, A4, A3, A2, A1, A0, AREF, 3V3, D13/SCK

RFID-RC522

• Description: A module used for RFID communication.
• Pins: SDA, SCK, MOSI, MISO, IRQ, GND, RST, 3.3V

12V Power Supply

• Description: A power source for the circuit.
• Pins: +, -

Wiring Details

Servo

• GND connected to common ground.
• VCC connected to the 12V power supply (+).
• Pulse connected to Arduino Nano pin D7.

Buzzer

• PIN connected to Arduino Nano pin D2.
• GND connected to common ground.

LED: Two Pin (Red)

• Cathode connected to common ground.
• Anode connected to Arduino Nano pin D4.

LED: Two Pin (Green)

• Cathode connected to common ground.
• Anode connected to Arduino Nano pin D3.

IR Sensor

• Out of the first IR sensor connected to Arduino Nano pin D6.
• Out of the second IR sensor connected to Arduino Nano pin D5.
• GND of both IR sensors connected to common ground.
• VCC of both IR sensors connected to Arduino Nano 5V.

Arduino Nano

• GND connected to common ground.
• 5V used to power IR sensors.
• 3V3 used to power RFID-RC522 module.
• D2, D3, D4, D5, D6, D7 used for interfacing with components.
• D10, D11/MOSI, D12/MISO, D13/SCK used for interfacing with RFID-RC522.

RFID-RC522

• SDA connected to Arduino Nano pin D10.
• SCK connected to Arduino Nano pin D13/SCK.
• MOSI connected to Arduino Nano pin D11/MOSI.
• MISO connected to Arduino Nano pin D12/MISO.
• GND connected to common ground.
• RST connected to Arduino Nano pin D9.
• 3.3V connected to Arduino Nano 3V3.

12V Power Supply

• (+) connected to Servo VCC.
• (-) connected to common ground.

Documented Code

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

}

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

}

Filename: sketch.ino

Note: The provided code is a template and does not contain any functional code. It needs to be populated with instructions to control the components as per the circuit's requirements.