Circuit Documentation

Summary

This circuit involves an Arduino Nano microcontroller interfaced with an L298N DC motor driver to control two hobby motors. The circuit is powered by a battery. The Arduino Nano sends control signals to the L298N motor driver, which in turn drives the motors.

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. L298N DC Motor Driver

   • Description: A dual H-Bridge motor driver that allows speed and direction control of two DC motors.
   • 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

3. Motor amarillo motorreductor hobby

   • Description: A small DC motor with a gearbox, commonly used in hobby projects.
   • Pins: vcc, GND

4. Battery

   • Description: A power source for the circuit.
   • Pins: -, +

Wiring Details

Arduino Nano

• D9 connected to ENB of L298N DC motor driver
• D7 connected to IN4 of L298N DC motor driver
• D6 connected to IN3 of L298N DC motor driver
• D5 connected to IN2 of L298N DC motor driver
• D4 connected to IN1 of L298N DC motor driver
• D3 connected to ENA of L298N DC motor driver
• GND connected to - of battery and GND of L298N DC motor driver
• VIN connected to 5V of L298N DC motor driver

L298N DC Motor Driver

• ENB connected to D9 of Arduino Nano
• IN4 connected to D7 of Arduino Nano
• IN3 connected to D6 of Arduino Nano
• IN2 connected to D5 of Arduino Nano
• IN1 connected to D4 of Arduino Nano
• ENA connected to D3 of Arduino Nano
• GND connected to GND of Arduino Nano and - of battery
• 5V connected to VIN of Arduino Nano
• OUT1 connected to GND of Motor amarillo motorreductor hobby
• OUT2 connected to vcc of Motor amarillo motorreductor hobby
• OUT3 connected to GND of Motor amarillo motorreductor hobby
• OUT4 connected to vcc of Motor amarillo motorreductor hobby
• 12V connected to + of battery

Motor amarillo motorreductor hobby

• GND connected to OUT1 of L298N DC motor driver
• vcc connected to OUT2 of L298N DC motor driver

Motor amarillo motorreductor hobby

• GND connected to OUT3 of L298N DC motor driver
• vcc connected to OUT4 of L298N DC motor driver

Battery

• - connected to GND of Arduino Nano and GND of L298N DC motor driver
• + connected to 12V of L298N DC motor driver

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)