ESP32 H-Bridge Module Project

Project Overview

This project demonstrates how to control a DC motor using an H-Bridge module with an ESP32 microcontroller. H-Bridge modules allow bidirectional control of motors, enabling them to rotate in both clockwise and counterclockwise directions.

Components Needed

• ESP32 Microcontroller
• H-Bridge Motor Driver Module (e.g., L298N)
• DC Motor
• Jumper Wires
• Breadboard
• Power Supply (suitable for the motor)

Block diagram

Circuit Setup

1. Connecting the H-Bridge Module to ESP32:
   • Connect the IN1 pin of the H-Bridge module to GPIO pin 12 on the ESP32.
   • Connect the IN2 pin of the H-Bridge module to GPIO pin 14 on the ESP32.
   • Connect the motor terminals to the OUT1 and OUT2 of the H-Bridge module.
   • Connect the power supply (e.g., 9V battery) to the H-Bridge module to power the motor.

Instructions

1. Setup:

   • Initialize GPIO pins connected to the H-Bridge module (IN1 and IN2) as outputs using pinMode() in the setup() function.
   • Set the initial direction of the motor by setting IN1 and IN2 accordingly (e.g., clockwise or counterclockwise).

2. Operation:

   • In the loop() function:
     • Rotate the motor clockwise by setting IN1 high and IN2 low for 2 seconds using digitalWrite() and delay().
     • Stop the motor by setting both IN1 and IN2 low for 1 second.
     • Rotate the motor counterclockwise by setting IN1 low and IN2 high for 2 seconds.
     • Stop the motor again for 1 second.
     • Repeat this cycle to create a continuous back-and-forth motion of the motor.

3. Considerations:

   • Motor Power: Ensure the power supply connected to the H-Bridge module matches the motor's voltage and current requirements.
   • H-Bridge Module: Verify the H-Bridge module's specifications and connections to ensure correct motor control.

Applications

• Robotics: Control movement of robot wheels or arms.
• Automation: Drive conveyor belts or automated doors.
• DIY Projects: Build custom motorized devices with bidirectional motor control.

Notes

• Motor Control: The H-Bridge module allows for bidirectional control of DC motors, essential for many robotics and automation applications.
• Timing: Adjust the delay() periods to modify motor rotation duration and stopping intervals based on specific project requirements.

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