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The video also has tips for using the preview window and keyboard shortcuts to make recording easier.

We start with a duty cycle of 200 (you can set a duty cycle value from 0 to 255).

First, well take a quick look on how the L298N motor driver works.

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Then, well show you an example on how to control the speed and direction of a DC motor using the ESP32 with Arduino IDE and the L298N motor driver.

This tutorial is also compatible with similar motor driver modules.

The method well use here is suitable for most hobbyist motors, that require 6V or 12V to operate.

Additionally, it allows us to drive two DC motors simultaneously, which is perfect to build a robot.

However, if the jumper is in place, the chip is powered using the motors power supply and you dont need to supply 5V through the 5V terminal.

In this tutorial will be using 4 AA 1.5V batteries that combined output approximately 6V, but you can use any other suitable power supply.

For example, you can use a bench power supply to test this tutorial.

Acts as a 5V output if jumper is in place Jumper: jumper in place uses the motors power supply to power up the chip.

The input pins are used to control the direction of your DC motors, and the enable pins are used to control the speed of each motor.

However, note that for small duty cycles, the motors might not spin, and make a continuous buzz sound.

Input 1 and input 2 control motor A, and input 3 and 4 control motor B.

Motor B can be controlled using the same method but applying HIGH or LOW to input 3 and input 4.

For example, to make the robot turn right, enable the motor at the left, and disable the motor at the right.

The following table shows the input pins state combinations for the robot directions.

Follow the next schematic diagram to wire the DC motor and the L298N motor driver to the ESP32.

As an example, were using 4AA batteries, but you can use any other suitable power supply.

In this configuration, you can use a power supply with 6V to 12V.

This way you dont need to constantly connect and then disconnect the wires to save power.

Follow one of the next tutorials to prepare your Arduino IDE to work with the ESP32, if you havent already.

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This code is not useful in the real world, this is just a simple example to better understand how to control the speed and direction of a DC motor with the ESP32.

In this case, Input 1 for motor A is connected to GPIO 27, the Input 2 to GPIO 26, and the Enable pin to GPIO 14.

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