Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various components such as DC motors, a motor driver, a battery, an ESP32 microcontroller, a rocker switch, a micro servo, and an ultrasonic sensor. The circuit is designed to control the motors and servo using the ESP32, with power supplied by a 12V battery and controlled via a rocker switch.

Component List

1. DC Motor

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

2. L298N DC Motor Driver

   • Description: A dual H-Bridge motor driver that allows 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. Battery 12V

   • Description: A 12V battery used to power the circuit.
   • Pins: +, -

4. ESP32 38 PINS

   • Description: A microcontroller with 38 pins, used for controlling various components in the circuit.
   • Pins: GND, G23, G22, TXD, RXD, G21, G19, G18, G5, G17, G16, G4, G0, G2, G15, SDI, SD0, CLK, 3V3, EN, SP, SN, G34, G35, G32, 33, G25, G26, G27, G14, G12, G13, SD2, SD3, 5V

5. Rocker Switch

   • Description: A simple on/off switch.
   • Pins: 1, 2

6. Micro Servo 9G

   • Description: A small servo motor.
   • Pins: GND, +5V, PWM

7. Ultrasonic Sensor

   • Description: A sensor used to measure distance using ultrasonic waves.
   • Pins: +VCC, Trigger, Echo, GND

Wiring Details

DC Motor 1

• Pin 1 connected to L298N DC Motor Driver OUT4
• Pin 2 connected to L298N DC Motor Driver OUT3

DC Motor 2

• Pin 1 connected to L298N DC Motor Driver OUT2
• Pin 2 connected to L298N DC Motor Driver OUT1

L298N DC Motor Driver

• OUT1 connected to DC Motor 2 Pin 2
• OUT2 connected to DC Motor 2 Pin 1
• OUT3 connected to DC Motor 1 Pin 2
• OUT4 connected to DC Motor 1 Pin 1
• 12V connected to Rocker Switch Pin 1
• GND connected to Battery 12V -
• 5V connected to Micro Servo 9G +5V and ESP32 38 PINS 5V
• IN1 connected to ESP32 38 PINS G26
• IN2 connected to ESP32 38 PINS G27
• IN3 connected to ESP32 38 PINS G14
• IN4 connected to ESP32 38 PINS G12

Battery 12V

• + connected to Rocker Switch Pin 2
• - connected to L298N DC Motor Driver GND

ESP32 38 PINS

• 5V connected to L298N DC Motor Driver 5V and Micro Servo 9G +5V
• GND connected to Micro Servo 9G GND and Ultrasonic Sensor GND
• G26 connected to L298N DC Motor Driver IN1
• G27 connected to L298N DC Motor Driver IN2
• G14 connected to L298N DC Motor Driver IN3
• G12 connected to L298N DC Motor Driver IN4
• G17 connected to Ultrasonic Sensor Trigger
• G16 connected to Ultrasonic Sensor Echo
• 3V3 connected to Ultrasonic Sensor +VCC
• G32 connected to Micro Servo 9G PWM

Rocker Switch

• Pin 1 connected to L298N DC Motor Driver 12V
• Pin 2 connected to Battery 12V +

Micro Servo 9G

• GND connected to ESP32 38 PINS GND
• +5V connected to L298N DC Motor Driver 5V and ESP32 38 PINS 5V
• PWM connected to ESP32 38 PINS G32

Ultrasonic Sensor

• GND connected to ESP32 38 PINS GND
• +VCC connected to ESP32 38 PINS 3V3
• Trigger connected to ESP32 38 PINS G17
• Echo connected to ESP32 38 PINS G16

Code

No code provided for this circuit.