Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller, an HC-05 Bluetooth module, and three LEDs (red, green, and yellow). The Arduino UNO controls the LEDs and communicates with the HC-05 Bluetooth module. The LEDs are connected to digital pins on the Arduino, and the Bluetooth module is connected to the Arduino for serial communication.

Component List

HC-05 Bluetooth Module

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

LED: Two Pin (red)

• Description: A red LED used for visual indication.
• Pins: Cathode, Anode

LED: Two Pin (green)

• Description: A green LED used for visual indication.
• Pins: Cathode, Anode

LED: Two Pin (yellow)

• Description: A yellow LED used for visual indication.
• Pins: Cathode, Anode

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

Wiring Details

HC-05 Bluetooth Module

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

LED: Two Pin (red)

• Anode connected to Arduino UNO D7
• Cathode connected to Arduino UNO GND

LED: Two Pin (green)

• Anode connected to Arduino UNO D6
• Cathode connected to Arduino UNO GND

LED: Two Pin (yellow)

• Anode connected to Arduino UNO D5
• Cathode connected to Arduino UNO GND

Arduino UNO

• D0 connected to HC-05 Bluetooth Module TXD
• D1 connected to HC-05 Bluetooth Module RXD
• D5 connected to LED: Two Pin (yellow) Anode
• D6 connected to LED: Two Pin (green) Anode
• D7 connected to LED: Two Pin (red) Anode
• 5V connected to HC-05 Bluetooth Module VCC
• GND connected to HC-05 Bluetooth Module GND, LED: Two Pin (red) Cathode, LED: Two Pin (green) Cathode, LED: Two Pin (yellow) Cathode

Code Documentation

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.txt