Circuit Documentation

Summary

This circuit involves two Arduino UNO microcontrollers, a motor driver, a Bluetooth module, a servo motor, an MPU6050 sensor, and two hobby motors. The circuit is designed to control the motors and servo motor, read data from the MPU6050 sensor, and communicate via Bluetooth.

Component List

1. 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

2. Motor amarillo motorreductor hobby

   • Description: A small DC motor with a gearbox.
   • Pins: vcc, GND

3. L298N DC motor driver

   • Description: A dual H-Bridge motor driver.
   • Pins: OUT1, OUT2, 12V, GND, 5V, OUT3, OUT4, 5V-ENA-JMP-I, 5V-ENA-JMP-O, +5V-J1, +5V-J2, ENA, IN1, IN2, IN3, IN4, ENB

4. HC-05 Bluetooth Module

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

5. Servo Motor 9G

   • Description: A small servo motor.
   • Pins: VCC 5V, PMW, GND

6. InvenSense MPU6050

   • Description: A 6-axis motion tracking device.
   • Pins: VCC, GND, SCL, SDA, XDA, XCL, AD0, INT

7. USB power

   • Description: A USB power source.
   • Pins: +, -

Wiring Details

Arduino UNO (1)

• 5V connected to:

  • L298N DC motor driver (5V)
  • InvenSense MPU6050 (VCC)

• GND connected to:

  • L298N DC motor driver (GND)
  • InvenSense MPU6050 (GND)
  • USB power (-)

• A4 connected to:

  • InvenSense MPU6050 (SDA)

• A5 connected to:

  • InvenSense MPU6050 (SCL)

• D11 connected to:

  • L298N DC motor driver (IN4)

• D10 connected to:

  • L298N DC motor driver (IN3)

• D9 connected to:

  • L298N DC motor driver (IN2)

• D8 connected to:

  • L298N DC motor driver (IN1)

• D6 connected to:

  • L298N DC motor driver (ENB)

• D5 connected to:

  • L298N DC motor driver (ENA)

Arduino UNO (2)

• 5V connected to:

  • HC-05 Bluetooth Module (VCC)

• GND connected to:

  • Servo Motor 9G (GND)
  • HC-05 Bluetooth Module (GND)

• Vin connected to:

  • Servo Motor 9G (VCC 5V)

• D11 connected to:

  • HC-05 Bluetooth Module (RXD)

• D10 connected to:

  • HC-05 Bluetooth Module (TXD)

• D9 connected to:

  • Servo Motor 9G (PMW)

L298N DC motor driver

• 5V connected to:

  • Arduino UNO (1) (5V)

• GND connected to:

  • Arduino UNO (1) (GND)
  • USB power (-)

• IN4 connected to:

  • Arduino UNO (1) (D11)

• IN3 connected to:

  • Arduino UNO (1) (D10)

• IN2 connected to:

  • Arduino UNO (1) (D9)

• IN1 connected to:

  • Arduino UNO (1) (D8)

• ENB connected to:

  • Arduino UNO (1) (D6)

• ENA connected to:

  • Arduino UNO (1) (D5)

• OUT4 connected to:

  • Motor amarillo motorreductor hobby (vcc)

• OUT3 connected to:

  • Motor amarillo motorreductor hobby (GND)

• OUT2 connected to:

  • Motor amarillo motorreductor hobby (vcc)

• OUT1 connected to:

  • Motor amarillo motorreductor hobby (GND)

• 12V connected to:

  • USB power (+)

HC-05 Bluetooth Module

• VCC connected to:

  • Arduino UNO (2) (5V)

• GND connected to:

  • Arduino UNO (2) (GND)

• RXD connected to:

  • Arduino UNO (2) (D11)

• TXD connected to:

  • Arduino UNO (2) (D10)

Servo Motor 9G

• GND connected to:

  • Arduino UNO (2) (GND)

• VCC 5V connected to:

  • Arduino UNO (2) (Vin)

• PMW connected to:

  • Arduino UNO (2) (D9)

InvenSense MPU6050

• VCC connected to:

  • Arduino UNO (1) (5V)

• GND connected to:

  • Arduino UNO (1) (GND)

• SDA connected to:

  • Arduino UNO (1) (A4)

• SCL connected to:

  • Arduino UNO (1) (A5)

USB power

• + connected to:

  • L298N DC motor driver (12V)

• - connected to:

  • L298N DC motor driver (GND)
  • Arduino UNO (1) (GND)

Documented Code

Arduino UNO (1)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Arduino UNO (2)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}