Circuit Documentation

Summary

This document provides a detailed overview of a circuit designed to control multiple DC motors using an L298N motor driver and an Arduino UNO. The circuit also includes several TCRT-5000 IR sensors for obstacle detection and a rocker switch for power control. The Arduino UNO is programmed to manage the motor driver and read sensor inputs.

Component List

1. L298N DC Motor Driver

   • Description: A dual H-bridge motor driver that allows control of the speed and direction 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

2. Motor amarillo motorreductor hobby

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

3. Battery 12V

   • Description: A 12V battery used to power the motor driver and motors.
   • Pins: +, -

4. TCRT-5000 IR Sensor

   • Description: An infrared sensor used for obstacle detection.
   • Pins: 5V, GND, D0, A0

5. Arduino UNO

   • Description: A microcontroller board based on the ATmega328P, used to control the motor driver and read sensor inputs.
   • 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

6. Rocker Switch

   • Description: A switch used to control the power supply to the circuit.
   • Pins: output, input

Wiring Details

L298N DC Motor Driver

• 5V: Connected to 5V pins of all TCRT-5000 IR sensors and Arduino UNO.
• GND: Connected to the input pin of the rocker switch and GND pin of Arduino UNO.
• ENA: Connected to D6 pin of Arduino UNO.
• IN1: Connected to D7 pin of Arduino UNO.
• IN2: Connected to D8 pin of Arduino UNO.
• IN3: Connected to D9 pin of Arduino UNO.
• IN4: Connected to D10 pin of Arduino UNO.
• ENB: Connected to D11 pin of Arduino UNO.
• OUT1: Connected to vcc pins of two Motor amarillo motorreductor hobby.
• OUT2: Connected to GND pins of two Motor amarillo motorreductor hobby.
• OUT3: Connected to GND pins of two Motor amarillo motorreductor hobby.
• OUT4: Connected to vcc pins of two Motor amarillo motorreductor hobby.
• 12V: Connected to the + pin of the 12V battery.

Motor amarillo motorreductor hobby

• vcc: Connected to OUT1 and OUT4 pins of L298N DC motor driver.
• GND: Connected to OUT2 and OUT3 pins of L298N DC motor driver.

Battery 12V

• +: Connected to 12V pin of L298N DC motor driver.
• -: Connected to the output pin of the rocker switch.

TCRT-5000 IR Sensor

• 5V: Connected to 5V pin of L298N DC motor driver and Arduino UNO.
• GND: Connected to GND pin of Arduino UNO.
• D0: Connected to A0, A1, A2, A3, and A4 pins of Arduino UNO.

Arduino UNO

• 5V: Connected to 5V pin of L298N DC motor driver and all TCRT-5000 IR sensors.
• GND: Connected to GND pin of L298N DC motor driver and all TCRT-5000 IR sensors.
• A0: Connected to D0 pin of one TCRT-5000 IR sensor.
• A1: Connected to D0 pin of one TCRT-5000 IR sensor.
• A2: Connected to D0 pin of one TCRT-5000 IR sensor.
• A3: Connected to D0 pin of one TCRT-5000 IR sensor.
• A4: Connected to D0 pin of one TCRT-5000 IR sensor.
• D6: Connected to ENA pin of L298N DC motor driver.
• D7: Connected to IN1 pin of L298N DC motor driver.
• D8: Connected to IN2 pin of L298N DC motor driver.
• D9: Connected to IN3 pin of L298N DC motor driver.
• D10: Connected to IN4 pin of L298N DC motor driver.
• D11: Connected to ENB pin of L298N DC motor driver.

Rocker Switch

• input: Connected to GND pin of L298N DC motor driver and Arduino UNO.
• output: Connected to - pin of the 12V battery.

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)