Circuit Documentation

Summary

This circuit integrates various components to perform a specific function. It includes an Arduino UNO as the central microcontroller, interfaced with an RFID-RC522 module for RFID reading, an HC-05 Bluetooth Module for wireless communication, a 12V solenoid lock for physical access control, a 1-Channel Relay to control high-power devices, LEDs for visual feedback, a buzzer for audio signaling, and power supply modules to provide the necessary voltages for the circuit components.

Component List

Arduino UNO

• Microcontroller board based on the ATmega328P
• Provides digital and analog I/O pins
• Can be powered via USB or external power supply

RFID-RC522

• RFID reader/writer module
• Operates at 13.56 MHz
• Interfaces with microcontrollers via SPI

12V Solenoid Lock

• Electromechanical lock powered by 12V
• Used for locking/unlocking mechanisms

HC-05 Bluetooth Module

• Bluetooth module for wireless communication
• Supports serial communication via RX/TX pins

1-Channel Relay (5V 10A)

• Electromechanical switch controlled by a digital signal
• Capable of switching high power loads

LED: Two Pin (red)

• Red indicator light
• Requires current-limiting resistor

LED: Two Pin (green)

• Green indicator light
• Requires current-limiting resistor

12V Power Supply

• Provides 12V DC output
• Powers high voltage components like the solenoid lock

Buzzer

• Emits an audible tone when powered
• Used for audio alerts or signals

5V Adapter

• Converts AC to 5V DC output
• Powers the Arduino UNO and other 5V components

Wiring Details

Arduino UNO

• 3.3V connected to RFID-RC522 VCC
• 5V connected to 1-Channel Relay power and HC-05 Bluetooth Module VCC
• GND connected to common ground net
• Vin connected to 5V Adapter 5V output
• D13 connected to RFID-RC522 SCK
• D12 connected to RFID-RC522 MISO
• D11 connected to RFID-RC522 MOSI
• D10 connected to RFID-RC522 SDA
• D5 connected to Red LED cathode
• D4 connected to Green LED cathode
• D3 connected to 1-Channel Relay signal
• D2 connected to Buzzer PIN
• D1 connected to HC-05 Bluetooth Module RXD
• D0 connected to HC-05 Bluetooth Module TXD

RFID-RC522

• VCC (3.3V) connected to Arduino UNO 3.3V
• GND connected to common ground net
• SCK connected to Arduino UNO D13
• MISO connected to Arduino UNO D12
• MOSI connected to Arduino UNO D11
• SDA connected to Arduino UNO D10

12V Solenoid Lock

• VCC connected to 12V Power Supply +
• GND connected to 1-Channel Relay NO

HC-05 Bluetooth Module

• VCC connected to Arduino UNO 5V
• GND connected to common ground net
• TXD connected to Arduino UNO D0
• RXD connected to Arduino UNO D1

1-Channel Relay (5V 10A)

• power connected to Arduino UNO 5V
• ground connected to common ground net
• signal connected to Arduino UNO D3
• NO connected to 12V Solenoid Lock GND
• C connected to 12V Power Supply -

LED: Two Pin (red)

• anode connected to common ground net
• cathode connected to Arduino UNO D5

LED: Two Pin (green)

• anode connected to common ground net
• cathode connected to Arduino UNO D4

12V Power Supply

• + connected to 12V Solenoid Lock VCC
• - connected to 1-Channel Relay C

Buzzer

• PIN connected to Arduino UNO D2
• GND connected to common ground net

5V Adapter

• 5V connected to Arduino UNO Vin
• GND connected to common ground net

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:

}

Note: The provided code is a template and does not contain any functional implementation. It needs to be populated with the logic required to control the circuit based on the desired application.