Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an HC-05 Bluetooth Module, an Arduino UNO, and a DHT 11 sensor. The circuit is designed to interface the Bluetooth module and the sensor with the Arduino UNO, which acts as the central microcontroller. The document includes a component list, wiring details, and the embedded code used in the Arduino UNO.

Component List

HC-05 Bluetooth Module

• Description: A Bluetooth module used for wireless communication.
• Pins: Key, VCC, GND, TXD, RXD, State

Arduino UNO

• Description: A microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

DHT 11 Sensor

• Description: A basic, low-cost digital temperature and humidity sensor.
• Pins: VCC, GND, DATA

Wiring Details

HC-05 Bluetooth Module

• VCC: Connected to Arduino UNO 5V
• GND: Connected to Arduino UNO GND
• TXD: Connected to Arduino UNO D3
• RXD: Connected to Arduino UNO D4

Arduino UNO

• 5V: Connected to HC-05 Bluetooth Module VCC and DHT 11 Sensor VCC
• GND: Connected to HC-05 Bluetooth Module GND and DHT 11 Sensor GND
• D3: Connected to HC-05 Bluetooth Module TXD
• D4: Connected to HC-05 Bluetooth Module RXD
• D7: Connected to DHT 11 Sensor DATA

DHT 11 Sensor

• VCC: Connected to Arduino UNO 5V
• GND: Connected to Arduino UNO GND
• DATA: Connected to Arduino UNO D7

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:

}

Documentation (documentation.txt)

This document provides a comprehensive overview of the circuit, including the components used, their wiring, and the embedded code. This should serve as a useful reference for understanding and replicating the circuit.