Speed and direction control of dc motor Part 2: DC motor speed control using H-bridge module Connect the circuit as illustrated in part 1-b. It looks like this: When switches 1 and 4 are closed With its dual H-bridge design, the L293D can drive two motors simultaneously. In order to control this PWM pulse, variable resistors are used and depend on it the speed of the DC motor will increase or decrease. Aug 29, 2022 · Learn about the role of non-overlapping or complementary pulse width modulation (PMW) in DC motor control using an h-bridge circuit, taking into consideration PWM shoot-through and dead-time PWM. DC motors feature a speed, which can be controlled smoothly down to zero, immediately followed by acceleration in the opposite direction without power circuit switching. Jul 25, 2016 · Then I will explain very simple DC motor controller circuit that changes direction as well as varies the speed of DC motor. This is an Arduino-compatible board, consisting of an Atmega328 chip, 2 x Relay for motor direction control, MOSFET for speed control using PWM input, Tactile switch, Slide switch, and […] Learn how to control the speed and direction of a DC motor on the Arduino with an L293D motor driver. Nov 9, 2019 · In this tutorial i'm going to show you how to control the speed and direction of two DC motors by the most common method PWM signals. Find diagrams and explanations to help you understand how DC motor controllers work. Sep 4, 2021 · In this tutorial i am going to teach you how to control speed of dc motor using stm32 microcontroller and l293d half h bridge control ic. Using transistors, FET, and Relay in simple. Direction Control To control a DC motor from a microcontroller, you use switching arrangement known as an H bridge. The speed of the DC motor (both directions) is controlled with the 10k potentiometer which is connected to analog channel 0 (A0) and the direction of rotation is controlled with the push button which is connected to pin 8 of the Arduino UNO board. The motor speed is controlled using pulse width modulation (PWM), where the average voltage supplied to the motor is varied. In this article, Regent Electronics breaks down the Aug 8, 2017 · The L298N is a dual H-Bridge motor driver which allows speed and direction control of two DC motors at the same time. Dc motors are common motors you see in your houses(DC water pumps, DC fans), toys etc. Apr 21, 2024 · The bidirectional control feature of the L293D motor driver enables precise manipulation of the motor's speed and direction. Jul 24, 2024 · Conclusion DC motor controllers are critical components for managing the operation of DC motors, providing precise control over speed, direction, and torque. Understanding the types of motor controllers, their selection criteria, and their differences from motor drivers is essential for leveraging their full potential in various applications. So let us start. For example, industry data shows that brushless dc motors, battery-powered solutions, and advanced controllers drive efficiency gains in Apr 27, 2021 · Much like the name suggests, DC motor controllers control the speed and direction of a DC motor. It is a dual-channel H bridge motor driver IC which can be easily used to drive two motors. The motor driver has two channels which means that it can controll the direction of two Dc motors simultaneously. An official Arduino Uno R3 is available HERE. It will offer a long range, operating up to 1 km. Abstract – The DC motor is backbone of industrial application. The variable resistor is adjusting to varying the speed of the motor, and the higher the resistance the lower the speed of the motor rotates. In this tutorial, we will cover the basic principles of DC motors and show you how to control the speed of a motor using PWM, an H-bridge circuit, and the L293D motor driver. Most of mini DC motors have two terminals because they are series type (armature and field windings are connected in series) DC In this tutorial, we’ll be discussing DC motor speed control with STM32 PWM and L293D H-bridge motor driver. We will use Keil uvision to write a Jul 30, 2024 · This code allows you to control the speed and direction of a DC motor using the Y-axis of a joystick. yout Oct 7, 2025 · Learn how to connect a DC motor to the shield, and how to control the speed and direction of the motor. In this project, you will learn how to control the speed and direction of spin of the DC motor's rotor with a potentiometer. We are using the L293D motor controller and a small DC motor for demonstration purposes. The microcontroller scans inputs, drives the motor, and manages PWM timing without using its built-in PWM hardware. The motor will stop when the joystick is in the central position, rotate forward when the joystick is pushed upward, and rotate backward when the joystick is pulled downward, with the speed proportional to the joystick’s position. A DC motor is an essential device that converts direct current (DC) electrical energy into mechanical motion. The basic circuit was explained in Lesson 37, and we are using Arduino Control DC Motor Speed and Direction Using a Potentiometer: In this tutorial we will learn how to use a L298N DC MOTOR CONTROL driver and a potentiometer to control a DC motor speed and direction. (You can learn how to control the joystick’s motor speed and direction using Arduino in this article. The project report discusses the development of a wireless system for speed and direction control of a DC motor using an Android mobile application, integrating Bluetooth technology and Arduino for communication. To control the direction, the polarity of the motor is reversed. May 4, 2023 · The project presented here is a low-cost solution to control the speed and direction of a high-power brushed DC motor using RC (Radio Remote Control) transmitter. Jan 9, 2018 · In this project we control direction and speed of a 24v high current motor using Arduino and two relays. current that flow through the gate drive [12]. 3 shows the parts of DC motor with its explanation. 6) Connect a 5 V DC power supply to IN1 and connect IN2 to the ground Notice the direction of the motor. Feb 11, 2014 · we can count number of such applications where there is a need to change direction and/or speed of DC motor. Watch a demonstration video. It plays a crucial role in various applications by transforming electrical energy into useful mechanical work, making it a key component in many machines and systems. Bring your creations to life! Learn how to control DC motor using Arduino, how to control DC motor speed and direction, how to connect DC motor to Arduino, how to program Arduino step-by-step. This article explains the speed control of DC motor by various practical methods such as flux control, armature control, and voltage control. This blog post will take you on a detailed exploration of electric motor direction and speed controllers, shining a light Dec 10, 2019 · In this lesson we explore how to control the speed and direction of a DC motor using two buttons. Nov 23, 2023 · Five push buttons enable starting, stopping, speed adjustment, and direction change, while LEDs indicate status and limits. The module can drive DC motors that have voltages between 5 and 35V, with a peak current up to 2A. Jun 13, 2025 · You use dc motor control to manage the speed regulation and direction of motors in many modern applications. It highlights the advantages of reducing wiring and enhancing control efficiency, emphasizing the increasing relevance of wireless technologies in industrial applications. Oct 5, 2018 · This project shows how to control DC motor speed and direction of rotation using PIC16F887 microcontroller and L293D motor driver chip. From robotic vehicles and elevators to paper mills and conveyor belts, speed control of a DC motor plays a crucial role in modern motion systems. You’ll also get familiar with the required hardware driving circuitry. DC motors rotate at a constant speed but their speed can be varied… This research aims to develop a strong motor control system that can dynamically change the motor speed and the direction of rota-tion through signals that are generated through a microcontroller. This article explores common types of DC motor controllers, how they work, and the most popular applications for these systems. By utilizing the L293D H-Bridge IC, you can easily control the speed and direction of your DC motors with just a few lines of code. Lesson 37 and 38 showed some preliminary concepts in controlling a DC motor using an arduino and the L293D motor controller. With the direction selected, the active transistors can be switched of and on accordingly to control the speed. Nov 8, 2021 · #speed #control #directionControl DC motor Speed and Direction . To change the direction of the motor, however, the supply it receives must be reversed. Examples include: Shopping carts Nov 15, 2020 · These controllers enable precise motor speed, torque, and direction regulation, making DC motors suitable for basic and advanced applications. The right regulation method improves efficiency and precision. These systems appear everywhere, from electric vehicles to automated manufacturing. Mar 16, 2022 · Learn about controlling the speed and direction of a DC motor with an L293D motor driver IC using an Arduino. Furthermore, we will also control the direction of rotation of a motor using the built-in H-bridge of L298N and GPIO pins of TM4C123 microcontroller. We will discuss in detail about this motor driver IC and how to interface it with Arduino. Learn about L293D DC Motor Driver IC along with PWM, H-bridge Working, Pinout, Wiring, Arduino Code for controlling speed & direction of two DC motors. in industry DC motor is widely used for speed control and load characteristics the DC motor are used because it provide a reliability, simplicity and low cost. These techniques help adjust the motor speed for different industrial and domestic applications. Mastering Motor Control: A Deep Dive into Electric Motor Direction and Speed Controllers Introduction Whether you're building a robot, an electric vehicle, or an automatic window blind system, controlling the direction and speed of an electric motor is a fundamental task. The tutorial also teaches about how to interface h bridge l293d ic with nodemcu esp8266 12e WiFi module. It enables remote control of motor speed and direction via a mobile app, integrating Arduino for motor interfacing and ESP8266 for communication. I’ll also show you the DC_MOTOR library (driver) that I’ve developed for STM32 microcontrollers and discuss how it works and how it’s been built in this way. The L293D IC is a powerfully built motor driver IC. Here we look at PWMs, H-bridges, and some highly-integrated motor control chips. Dec 26, 2017 · Jumper wires Arduino DC motor control circuit: Project circuit schematic diagram is the one below. This example shows a simple way of controlling a DC motor which only allows you to change the motor speed not the direction in which the motor is turning (forward/backward). Learn about DC motor controller diagrams, including the various components and their functions. The system offers real-time responsiveness and reliability, ideal for applications in robotics and IoT requiring precise motor control. Jul 13, 2025 · How to rotate dc motor in both direction, speed control, and turns on-off, with 3 circuit ideas. No power switches are needed for this circuit, just two push buttons and in Potentiometer to control the direction and speed of DC Motor. We’ll conclude this tutorial with some Apr 10, 2025 · Learn how to control the direction of rotation in motor systems using tools like DPDT switches, H-bridge circuits, and VFDs for precise and reliable operation. MPLAB XC8 DC motor. Jun 23, 2024 · I n this project, we’ll design a wireless joystick dc motor controller using ATtiny85 and Arduino. Parts used in the Speed and Direction Control of DC Motor using AVR Microcontroller: ATmega32 AVR In this tutorial, we’ll be doing DC motor speed control with PIC microcontrollers using PWM and L293D motor driver H-bridge IC. In this new series of lessons, I will be using the sensor and other components found in this KIT. And for varying speed, there are various ways to vary speed of DC motor but the best amongst them is PWM – pulse width modulation technique. Whether you’re running motors at full speed or controlling their speed with PWM Sep 29, 2019 · In this blog, I will be explaining how to use the popular L293D motor driver IC (often misspelled as L239D) along with an Arduino to control the direction and speed of DC motors. Dec 3, 2019 · This is a simple example of how to control speed and direction of a DC motor with a joystick. . Nowadays a 1phase or 3 phase motors are used but it is quite difficult to regulate the speed of AC motors. Today, you find DC motors in many devices we rely on every day such as home and office appliances, automobiles, access control systems, and toys. Wiring diagrams and example code included. The duty cycle (on time versus on+off time) of the pulse waveform will determine the fraction of total power delivered to the motor: Such an electronic power-control circuit is generally referred to as a drive. What is an H-bridge Circuit DC motors are high-powered devices which we can use in many different applications and projects, so it comes as no surprise that special circuitry is required to drive a DC motor. User can control the rotation speed of motor from web page and change the dc motor rotation direction through web page controls. We will learn to control the speed of a DC motor using a pulse width modulation module (PWM) of TM4C123 and L298N motor driver modules. The detailed instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. Among the different control methods for DC motor armature voltage control method using pulse width modulation (PWM) is best one. 7) Switch off the 5 V power supply and reverse the connection in step 6 and notice the direction of the motor. Jumpers in L298N Motor Driver Module Understanding the jumpers on the L298N motor driver module is crucial for proper configuration and use. It simplifies the process of controlling motor direction by providing an easy interface for Arduino microcontrollers. Discover how to use a DC motor controller to control the speed and direction of a DC motor. May 25, 2024 · Master DC motor control with Arduino! Learn to adjust speed and direction using easy-to-follow instructions. The key parts of a DC motor include the stator (which produces a magnetic field), the rotor or armature (which carries current and rotates), brushes, and a Dec 28, 2017 · Arduino based IR remote controlled DC motor with circuit diagram and code. In this technique we shall vary the width of applied The L298N is a popular dual H-bridge motor driver module that allows you to control the direction and speed of two DC motors independently. Nov 15, 2020 · These controllers enable precise motor speed, torque, and direction regulation, making DC motors suitable for basic and advanced applications. Apr 11, 2025 · Speed Control of DC Motor: Methods and Working Explained DC motors are widely used in various industries and DIY projects due to their ability to provide precise control over speed and direction. you will learn this easy method and watch the other tutorial on these links https://www. An H-bridge circuit is a simple DC motor driver configuration which allows us to control both the rotational speed and direction of such electric motors by using a fixed DC voltage or by If both motor speed and directional control are required, the PWM signal can be applied to the H-bridge. Thus, a variable-speed drive or VSD is a high-power circuit used to control the speed of a DC motor. Feb 21, 2018 · This project shows how to control a DC motor speed and direction using Arduino board, PS2 joystick and L293D driver IC. You’ll learn how DC motors work, How to control both the speed & direction of a DC motor. This paper describes the development and implementation of a control system for a direct current (DC) motor using the Arduino Uno microcontroller, based on the speed and direction control of the motor. This tutorial is about DC motor interfacing with TM4C123 Launchpad. To control the speed, the input voltage is varied using pulsewidth modulation. Aug 18, 2024 · This is a getting started tutorial on how to use the L298N motor driver and control the forward, left, right, and reverse movement and speed controlling. May 5, 2019 · Web page enlists the dc motor controls. It is widely used in robotics and other applications requiring motor control due to its versatility and ease of use. The report In many cases it is also a good idea to use an external power supply with the Arduino that provides the necessary voltage and current for the motor. This article explores the working principles, types, losses, and speed control methods of DC motors, providing a Figure 2. This instructable will guide you through the parts and steps to control a Dc motor's speed and direction with the help of a dual H-Bridge L293D motor driver for arduino. ) Wireless joystick controls for dc motors are used in many industrial, domestic, and robotic applications. 5 Parts of DC Motor motor and table 2. Motor speed & direction is controller with NEC IR remote control. Jul 25, 2022 · Small brushed DC motors are still widely used, from electric seats in automotive to power tools, so even though brushless motors seem like the future, it is still worth understanding how this technology is integrated into electronic circuits. And we’ll create 3 different example projects with STM32 uC and DC motors. Jul 28, 2024 · The L298N is a popular dual H-bridge motor driver integrated circuit (IC) that allows you to control the speed and direction of two DC motors or control one stepper motor. The direction of DC motor can be controlled by just reversing the polarity of given supply. Perfect for beginners and DIY projects. direction of DC motor which is its rotation can be change by reversing the polarity of can be control by varying the average voltage supply [8]. hence when there is need of to regulate the speed of motor for ️ Hi friends, Welcome to Project WeekendIn this video, I will clearly explain, how to create a powerful motor speed and direction control using Arduino + L2 Apr 22, 2021 · Control a DC motor's speed and direction via Bluetooth through a mobile app. Motor drives may be manually set to run a motor at a set speed, or accept an There are two easily controllable parameters of a DC motor, direction and speed. In this tutorial, we will learn to control a DC motor’s speed and direction using the L293D motor driver IC. Tell me how to change direction of rotation of DC motor? It is very simple. 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