Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes multiple TCRT-5000 IR sensors, an L298N Dual Motor Driver Module, an Arduino Leonardo, a 7.4V battery, DC Mini Metal Gear Motors, and a rocker switch. The circuit is designed to interface the IR sensors with the Arduino for input, control motors via the motor driver, and power the system using a 7.4V battery.

Component List

1. TCRT-5000 IR sensor

   • Description: Infrared sensor used for proximity detection.
   • Pins: 5V, GND, D0, A0

2. L298N 2A Dual Motor Driver Module with PWM Control

   • Description: Motor driver module used to control the speed and direction of two DC motors.
   • Pins: OUT1, OUT2, 12V, GND, 5V, OUT4, OUT3, ENA, IN1, IN2, IN3, ENB, IN4

3. Arduino Leonardo (Rev3b)

   • Description: Microcontroller board based on the ATmega32u4.
   • Pins: D0/RX, D1/TX, D2/SDA, D3 PWM/SCL, D4/A6, D5 PWM, D6 PWM/A7, D7, n.c., IOREF, RESET, 3V3, 5V, GND, VIN, A0, A1, A2, A3, A4, A5, D8/A8, D9 PWM/A9, D10 PWM/A10, D11 PWM, D12/A11, D13 PWM, AREF, SDA, SCL

4. 7.4V Battery

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

5. DC Mini Metal Gear Motor

   • Description: Small DC motor with metal gears.
   • Pins: IN1, IN2

6. Rocker Switch

   • Description: Switch used to control the power supply.
   • Pins: output, input

Wiring Details

TCRT-5000 IR sensor

• GND connected to GND of Arduino Leonardo.
• 5V connected to 5V of Arduino Leonardo.
• A0 of the first sensor connected to A0 of Arduino Leonardo.
• A0 of the second sensor connected to A1 of Arduino Leonardo.
• A0 of the third sensor connected to A3 of Arduino Leonardo.
• A0 of the fourth sensor connected to A2 of Arduino Leonardo.

L298N 2A Dual Motor Driver Module with PWM Control

• 5V connected to 5V of Arduino Leonardo.
• GND connected to GND of Arduino Leonardo.
• 12V connected to input of the rocker switch.
• OUT1 connected to IN1 of the first DC Mini Metal Gear Motor.
• OUT2 connected to IN2 of the first DC Mini Metal Gear Motor.
• OUT4 connected to IN1 of the second DC Mini Metal Gear Motor.
• OUT3 connected to IN2 of the second DC Mini Metal Gear Motor.
• IN1 connected to D8/A8 of Arduino Leonardo.
• IN2 connected to D9 PWM/A9 of Arduino Leonardo.
• IN3 connected to D10 PWM/A10 of Arduino Leonardo.
• IN4 connected to D11 PWM of Arduino Leonardo.

Arduino Leonardo (Rev3b)

• GND connected to GND of TCRT-5000 IR sensors and L298N Motor Driver.
• 5V connected to 5V of TCRT-5000 IR sensors and L298N Motor Driver.
• A0 connected to A0 of the first TCRT-5000 IR sensor.
• A1 connected to A0 of the second TCRT-5000 IR sensor.
• A2 connected to A0 of the fourth TCRT-5000 IR sensor.
• A3 connected to A0 of the third TCRT-5000 IR sensor.
• D8/A8 connected to IN1 of L298N Motor Driver.
• D9 PWM/A9 connected to IN2 of L298N Motor Driver.
• D10 PWM/A10 connected to IN3 of L298N Motor Driver.
• D11 PWM connected to IN4 of L298N Motor Driver.

7.4V Battery

• - connected to GND of Arduino Leonardo.
• + connected to output of the rocker switch.

DC Mini Metal Gear Motor

• IN1 of the first motor connected to OUT1 of L298N Motor Driver.
• IN2 of the first motor connected to OUT2 of L298N Motor Driver.
• IN1 of the second motor connected to OUT4 of L298N Motor Driver.
• IN2 of the second motor connected to OUT3 of L298N Motor Driver.

Rocker Switch

• input connected to 12V of L298N Motor Driver.
• output connected to + of 7.4V Battery.

Code

No code provided for this circuit.