Circuit Documentation

Summary

This circuit is designed to control two DC motors using an Arduino UNO and an L298N DC motor driver. The power is supplied by a 2x 18650 battery pack. The Arduino UNO is programmed to control the motor driver, which in turn drives the two DC motors.

Component List

L298N DC Motor Driver

• Description: A dual H-Bridge motor driver that allows for 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

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

2x 18650 Battery Pack

• Description: A battery pack consisting of two 18650 lithium-ion batteries.
• Pins: vcc, gnd

DC Motor (Motor 1)

• Description: A standard DC motor.
• Pins: pin 1, pin 2

DC Motor (Motor 2)

• Description: A standard DC motor.
• Pins: pin 1, pin 2

Wiring Details

L298N DC Motor Driver

• OUT1: Connected to pin 2 of DC Motor 2
• OUT2: Connected to pin 1 of DC Motor 2
• 12V: Connected to vcc of 2x 18650 Battery Pack
• GND: Connected to gnd of 2x 18650 Battery Pack and GND of Arduino UNO
• 5V: Connected to 5V of Arduino UNO
• OUT3: Connected to pin 2 of DC Motor 1
• OUT4: Connected to pin 1 of DC Motor 1
• ENA: Connected to D11 of Arduino UNO
• IN1: Connected to D10 of Arduino UNO
• IN2: Connected to D9 of Arduino UNO
• IN3: Connected to D7 of Arduino UNO
• IN4: Connected to D6 of Arduino UNO
• ENB: Connected to D5 of Arduino UNO

Arduino UNO

• GND: Connected to gnd of 2x 18650 Battery Pack and GND of L298N DC Motor Driver
• 5V: Connected to 5V of L298N DC Motor Driver
• D11: Connected to ENA of L298N DC Motor Driver
• D10: Connected to IN1 of L298N DC Motor Driver
• D9: Connected to IN2 of L298N DC Motor Driver
• D7: Connected to IN3 of L298N DC Motor Driver
• D6: Connected to IN4 of L298N DC Motor Driver
• D5: Connected to ENB of L298N DC Motor Driver

2x 18650 Battery Pack

• vcc: Connected to 12V of L298N DC Motor Driver
• gnd: Connected to GND of Arduino UNO and GND of L298N DC Motor Driver

DC Motor (Motor 1)

• pin 1: Connected to OUT4 of L298N DC Motor Driver
• pin 2: Connected to OUT3 of L298N DC Motor Driver

DC Motor (Motor 2)

• pin 1: Connected to OUT2 of L298N DC Motor Driver
• pin 2: Connected to OUT1 of L298N DC Motor Driver

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, including a summary, detailed component list, wiring details, and the code used for the Arduino UNO.