Circuit Documentation

Summary

This circuit integrates an Arduino UNO microcontroller with various peripheral components including an HC-05 Bluetooth Module, an LM35 Temperature Sensor, an LED Dot Display, and a DS1307 Real-Time Clock (RTC). The Arduino UNO serves as the central controller, interfacing with the sensors and modules to collect data, display information, and communicate wirelessly.

Component List

HC-05 Bluetooth Module

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

Temperature Sensor (LM35)

• Description: An analog temperature sensor that provides a voltage output proportional to the temperature.
• Pins: +Vs, Vout, GND

Arduino UNO

• Description: A microcontroller board based on the ATmega328P, used for various embedded applications.
• 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

LED DOT DISPLAY

• Description: A display module used to show visual information.
• Pins: VCC, GND, DIN, CS, CLK

DS1307 RTC (Wokwi Compatible)

• Description: A real-time clock module used to keep track of the current time.
• Pins: GND, 5V, SDA, SCL, SQW

Wiring Details

HC-05 Bluetooth Module

• VCC: Connected to Arduino UNO 5V
• GND: Connected to Arduino UNO GND
• TXD: Connected to Arduino UNO D2
• RXD: Connected to Arduino UNO D3

Temperature Sensor (LM35)

• +Vs: Connected to Arduino UNO 5V
• Vout: Connected to Arduino UNO A0
• GND: Connected to Arduino UNO GND

Arduino UNO

• 5V: Connected to HC-05 Bluetooth Module VCC, Temperature Sensor (LM35) +Vs, LED DOT DISPLAY VCC, DS1307 RTC 5V
• GND: Connected to HC-05 Bluetooth Module GND, Temperature Sensor (LM35) GND, LED DOT DISPLAY GND, DS1307 RTC GND
• A0: Connected to Temperature Sensor (LM35) Vout
• D2: Connected to HC-05 Bluetooth Module TXD
• D3: Connected to HC-05 Bluetooth Module RXD
• D11: Connected to LED DOT DISPLAY DIN
• D9: Connected to LED DOT DISPLAY CS
• D13: Connected to LED DOT DISPLAY CLK
• A4: Connected to DS1307 RTC SDA
• A5: Connected to DS1307 RTC SCL

LED DOT DISPLAY

• VCC: Connected to Arduino UNO 5V
• GND: Connected to Arduino UNO GND
• DIN: Connected to Arduino UNO D11
• CS: Connected to Arduino UNO D9
• CLK: Connected to Arduino UNO D13

DS1307 RTC (Wokwi Compatible)

• 5V: Connected to Arduino UNO 5V
• GND: Connected to Arduino UNO GND
• SDA: Connected to Arduino UNO A4
• SCL: Connected to Arduino UNO A5

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 Documentation (documentation.txt)

This documentation provides a comprehensive overview of the circuit, detailing the components used, their connections, and the code running on the Arduino UNO.