Circuit Documentation

Summary

This circuit involves an Arduino Nano microcontroller interfacing with two joystick modules and an HC-05 Bluetooth module. The circuit is powered by a 9V battery. The Arduino Nano reads the joystick inputs and communicates with the Bluetooth module to transmit data wirelessly.

Component List

1. Arduino Nano

   • Description: A small, complete, and breadboard-friendly board based on the ATmega328P.
   • Pins: D1/TX, D0/RX, RESET, GND, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11/MOSI, D12/MISO, VIN, 5V, A7, A6, A5, A4, A3, A2, A1, A0, AREF, 3V3, D13/SCK

2. Joystick Module (1)

   • Description: A module with two potentiometers and a push button, used to measure X and Y axis movements.
   • Pins: SW, VRY, VRX, VCC, GND

3. Joystick Module (2)

   • Description: Another joystick module identical to the first one.
   • Pins: SW, VRY, VRX, VCC, GND

4. HC-05 Bluetooth Module

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

5. 9V Battery

   • Description: A standard 9V battery used to power the circuit.
   • Pins: -, +

6. Comment (1)

   • Description: Placeholder for comments or notes in the circuit.
   • Pins: None

7. Comment (2)

   • Description: Another placeholder for comments or notes in the circuit.
   • Pins: None

Wiring Details

Arduino Nano

• 5V connected to:

  • HC-05 Bluetooth Module (VCC)
  • Joystick Module (1) (VCC)
  • Joystick Module (2) (VCC)

• GND connected to:

  • HC-05 Bluetooth Module (GND)
  • Joystick Module (1) (GND)
  • Joystick Module (2) (GND)
  • 9V Battery (-)

• D2 connected to:

  • HC-05 Bluetooth Module (TXD)

• D3 connected to:

  • HC-05 Bluetooth Module (RXD)

• VIN connected to:

  • 9V Battery (+)

• A3 connected to:

  • Joystick Module (1) (VRY)

• A2 connected to:

  • Joystick Module (1) (VRX)

• A1 connected to:

  • Joystick Module (2) (VRY)

• A0 connected to:

  • Joystick Module (2) (VRX)

Joystick Module (1)

• VCC connected to:

  • Arduino Nano (5V)

• GND connected to:

  • Arduino Nano (GND)

• VRY connected to:

  • Arduino Nano (A3)

• VRX connected to:

  • Arduino Nano (A2)

Joystick Module (2)

• VCC connected to:

  • Arduino Nano (5V)

• GND connected to:

  • Arduino Nano (GND)

• VRY connected to:

  • Arduino Nano (A1)

• VRX connected to:

  • Arduino Nano (A0)

HC-05 Bluetooth Module

• VCC connected to:

  • Arduino Nano (5V)

• GND connected to:

  • Arduino Nano (GND)

• TXD connected to:

  • Arduino Nano (D2)

• RXD connected to:

  • Arduino Nano (D3)

9V Battery

• + connected to:

  • Arduino Nano (VIN)

• - connected to:

  • Arduino Nano (GND)

Documented Code

Arduino Nano 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, including a summary, detailed component list, wiring details, and the code used in the microcontroller.