Circuit Documentation

Summary of the Circuit

This circuit integrates an Arduino UNO microcontroller with a Bluetooth HC-06 module and a Module LDR (Light Dependent Resistor) sensor. The Arduino UNO serves as the central processing unit, controlling the data flow and logic of the system. The Bluetooth HC-06 module enables wireless communication, allowing the Arduino to interface with Bluetooth-enabled devices. The Module LDR is used to detect the intensity of light, providing analog input to the Arduino for processing.

Component List

Arduino UNO

• Description: A microcontroller board based on the ATmega328P.
• Purpose: Acts as the central controller for the circuit, executing the embedded code and interfacing with other components.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0-A5, SCL, SDA, AREF, D0-D13.

Module LDR

• Description: A light sensor module with both analog and digital outputs.
• Purpose: Measures the intensity of ambient light and provides the data to the Arduino.
• Pins: VCC, GND, DO (Digital Output), AO (Analog Output).

Bluetooth HC-06

• Description: A Bluetooth module for serial communication.
• Purpose: Enables wireless communication between the Arduino and Bluetooth-enabled devices.
• Pins: VCC, GND, TXD (Transmit), RXD (Receive).

Wiring Details

Arduino UNO

• 5V connected to Bluetooth HC-06 VCC and Module LDR VCC.
• GND connected to Bluetooth HC-06 GND and Module LDR GND.
• D0 (RX) connected to Bluetooth HC-06 TXD.
• D1 (TX) connected to Bluetooth HC-06 RXD.
• A2 connected to Module LDR AO.

Module LDR

• VCC connected to Arduino UNO 5V.
• GND connected to Arduino UNO GND.
• AO connected to Arduino UNO A2.

Bluetooth HC-06

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

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 code provided for the Arduino UNO is a template with empty setup and loop functions. This code should be further developed to initialize the Bluetooth module, read data from the LDR sensor, and implement the desired functionality.