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how to use l298n motor driver

Plug the second motor into the terminal labelled OUT3 and OUT4: 2.) From Vs pin the H-Bridge gets its power for driving the motors which can be 5 to 35V. However, in this case, the nominal battery voltage will not be enough to power the L298N module onboard 5V regulator. In the first part I will show you how to control the driver without the need for a computer. Notify me of follow-up comments by email. Once you have these functions, you’ll be ready to make the connections between the L298N motor driver and the Arduino Uno. And he really bought me lunch because I located it for him smile So let me rephrase that: Thanks for lunch! The L298N motor driver is based on the H-bridge configuration (an H-bridge is a simple circuit that lets us control a DC motor to go backward or forward. Drecription. Second, I am only using the L298N to drive one DC motor at the moment but you can independently drive a second motor with just one driver. The L298N motor driver IC actually has two input power pins viz. The L298N Motor Driver Board is built around the L298 dual full-bridge driver, made by STMicroelectronics. ‘Vss’ and ‘Vs’. L298 Motor Controller Pinout. (adsbygoogle = window.adsbygoogle || []).push({}); The L298N motor controller follows the H-bridge configuration, which is handy when controlling the direction of rotation of a DC motor. Your email address will not be published. Motor A: This terminal block will give the output for the first motor. 7 Comments If the supply voltage is greater than 12V, then remove this jumper and give the 5V supply to the 5V power pin so that the L298 Dual H Bridge IC can work properly. Hi Guys, In this post, I will demonstrate how you can run or control 6 wired unipolar stepper motor with Arduino using L298N driver module. Thus, the actual pulse width must be derived through experiment. Here is a wiring diagram for connecting two DC motors to the L298N driver board. Since the enable pin is connected to a PWM-enabled pin on the Arduino, you can send an 8-bit signal to the L298N motor driver to control speed. Now just connect two-sided motor cables with the motor driver. Excerpts and links may be used, provided that full and clear credit is given to Learn Robotics and www.learnrobotics.org with appropriate and specific direction to the original content. 4. Set those equal to the digital pins on the Arduino. 5. The L298N is a dual-channel H-Bridge motor driver capable of driving two DC motors and one stepper motor. If you want the left motor to rotate in one direction, apply a high pulse to IN1 and a low pulse to IN2. That means you don’t have to worry about rewriting or translating Truth Tables if you use the same motor driver for different mobile robots. The diagram above shows an example diagram for using the L298N to drive one DC motor. Roland Pelayo Motor Driver: For the motor driver, I am using an l298n H Bridge motor driver. This site uses Akismet to reduce spam. It can control both speed and spinning direction of of any Bipolar stepper motor like NEMA 17. A guide on how to use the L298N Motor Driver Controller Board, this is a dual motor controller board that allow you to control the direction & speed of two DC motors or one stepper motor. Then, we’ll 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. The Enable A pin must be high to turn on the motor. In this tutorial we will learn how to interface L298N motror driver with Arduino Uno.You might be thinking why we need L298N for controlling a motor. As already mentioned, the L298N has four inputs corresponding to the four switches in the H-bridge diagram above. The 5v supply is enabled with a jumper. Connect the ENA and ENB to PWM capable digital outputs on your robot’s microcontroller. Apply 5-16V to the board by connecting positive (+) to the blue VMS screw terminal and ground (-) to the blue GND screw terminal. L298 Motor Controller/Driver. For driving the motor in both directions (clockwise and anti-clockwise) we need to use an H-Bridge. We go into this in more detail in our Build Arduino Robots course. L298N Motor Driver IC is a 15-lead high voltage, high current Motor Driver IC with two full bridge drivers. For example, if a motor is using channel A, its terminals must be connected to pins Out 1 and Out 2. This project makes the “dots” on a dot matrix look like they are pebbles in …, This ESP32-powered project allows you to write messages to a MAX7219 LED matrix display using …, For this article, I will show you how to use an ESP32 microcontroller as a …, In this article, I will guide you to the steps on how to build a …, The ESP32 has become one of my favorite microcontrollers as it’s compact, relatively cheap and …, With its WiFi capabilities, the ESP32 can connect to API services and acquire useful (and …, Arduino is easy-to-use but that’s at the expense of numerous features, most glaring of them …, A finite state machine (FSM) is a theoretical machine that only has one action or …, SPIFFS or Serial Peripheral Interface Flash File System is a system that utilizes extra flash …, The MQ-4 is one of many gas sensors ready to be interfaced with microcontrollers. However, you can buy the IC without the expansion board (DIP pin) for less than $1 each. Here you see that the motor enable pins connect to pin 10 and pin 5, both of which are PWM pins. Most of the microcontrollers operate on very low voltage (5v) and current while the motors require higher voltages and current So, the microcontrollers cannot provide them such higher current. So, now I am going to discuss about L298 motor controller/driver. For communication, we will use a simple serial communication over USB cable. Now that you understand the logic behind your motor driver, it’s time to make the L298N motor driver connection with Arduino. 5. Now, since we are controlling a single DC Motor, we need to use a single channel of the L298N. Click here to enroll. It can control up to 4 DC motors, or … We fried our board after putting more than the 30 volts and ignoring "Important note: remove the +12V jumper shown if you are using powers higher than +12V." Did you enjoy this article? How fast the motor rotates for a given pulse width will vary from motor to motor even if they look exactly the same. https://tpc.googlesyndication.com/safeframe/1-0-37/html/container.html In this tutorial we will learn how to interface L298N motror driver with Arduino Uno.You might be thinking why we need L298N for controlling a motor. in this tutorial, you will also learn how to use the pulse width modulation to control the speed of a dc motor. L-298 motor driver or motor controller's image is shown in the figure below. Unauthorized use and/or duplication of this material without express and written permission from the author and/or owner is strictly prohibited. ~Liz from Learn Robotics, Your email address will not be published. You can also use a PIC microcontroller with the L298N motor controller board. Large capacity filter capacitance,afterflow protection diode, more stable and reliable. The L298N is an integrated monolithic circuit in a 15- lead Multiwatt and PowerSO20 packages. This module consists of an L298 motor driver IC and a 78M05 5V regulator. Follow the next schematic diagram to wire the DC motor and the L298N motor driver to the ESP32. Share it on your favorite Social Media platform. Sorry, your blog cannot share posts by email. Using the L298N if straightforward. There’s a very good walkthrough on how to create a library using the blink sketch, here. Remember, you can use any controller you’d like (Arduino, Raspberry Pi, etc) as long as it has at least two digital output pins and one PWM pin (per side). Your email address will not be published. L298N Motor Driver with Arduino Description: This is a getting started tutorial on how to use the L298N motor driver and control the forward, left, right, and reverse movement. First, we’ll take a quick look on how the L298N motor driver works. This pin can accept voltages from +7VDC to +35VDC. The L298N module can control up to four DC motors, or two DC motors with direction control … Now let’s create a few methods to control the motors. This is where the L298N motor controller comes in. I’m happy to help, but I can no longer provide individualized advice pro bono. There’s no problem there because the 20 mA or so current from the pins is enough. To test these methods, you can call them in loop() and upload them to your board. Use the analogWrite(...) method on the enable pin with an input value from 0-255 (2^8=256) to set the speed. The L298N Motor Driver Module is based on the powerful L298N Motor Driver IC. The motor driver is a little current amplifier. For this purpose, we use motor driver ICs. For the DC motors that are found in a child’s RC toy vehicle, the L298N H-Bridge Module can be … Note: there are many ways to control a DC motor. This is especially helpful if you’re looking to add autonomy to a mobile robot. The L298N Motor Driver Board is built around the L298 dual full-bridge driver, made by STMicroelectronics. It features a powerful L298N motor driver module with a heavy duty heat sink. L298N H-bridge motor driver module is use to control two DC motor or a single bipolor stepper motor. We’ll use this to build out the code. Motor Driver: For the motor driver, I am using an l298n H Bridge motor driver. The motor driver is a little current amplifier. And the two-sided Motors cables will go to the motor driver. The same applies to the right motor. The easiest way to do this is to search Google. Here’s a comparison of the specifications between the L298N and L293D motor drivers: If the DC motors in your project require a peak output greater than 1.2A and a continuous output current greater than 0.6A, then you’ll want to use the L298N motor driver. The L298N Motor Driver Module is a high-power motor driver module which is used to drive DC and Stepper Motors. 2. In this module also have onboard 5v regulator. We do not rent or share our email lists. 100% Privacy. It is a commonly used component for prototypes and hobbyist projects, as it is easy to use and interface the L298 with a Raspberry Pi or an Arduino. That is perfectly fine, and in most applications, you’re ready to go! ‘Vss’ and ‘Vs’. L298 is known as a dual bidirectional motor driver which is based on dual H-Bridge Motor driver IC. To reverse the direction, reverse the pulses to IN1 and IN2. An H-bridge schematic looks like this: Here, the motor rotates in the direction dictated by the switches. The L298N motor driver module is powered through 3-pin 3.5mm-pitch screw terminals. Here’s an example: There are many ways you can write this code, so feel free to play around with it, and find solutions that work for your application. This section is called “Device Functional Modes” for the L293D. The L298N Module is large in size and will need plenty of space if fitting inside a vehicle. This motor driver can operate till 35V. For example, let’s look at the table in Figure 6 from the L298N datasheet. We do not rent or share our email lists. However, for motor speed control, the motor enable pins must be attached to a PWM enabled pin. Icons used on this site are courtesy of icons8.com. Plug one motor into the terminal labelled OUT1 and OUT2. You can control the speed of an Arduino DC motor using PWM. A new skill in time for the holidays. One of the easiest and inexpensive way to control stepper motors is to interface L298N Motor Driver with Arduino. It consists of pins for motor power supply(Vs), ground and 5V logic power supply(Vss). Here’s an example Arduino sketch utilizing the diagram above: You can modify this sketch to include a function for going backwards, turning left and turning right. This won't cost you anything, but it helps us to offset the costs of paying our writing team. How to Use the L298 Motor Driver Module - Arduino Tutorial: This dual bidirectional motor driver is based on the very popular L298 Dual H-Bridge Motor Driver IC. The first step to converting your motor controller methods into a library is downloading the test library folder from the Arduino website. Whether you’re looking to break into the robotics field for a career or as a hobby, Learn Robotics has something for you! L298N Motor Driver Module details: L298N motor driver Module. Plus gain FREE robotics tips to your inbox. Next, locate and open the PDF datasheet from the manufacturer. Happy about the explanation but I want to use this circuit to roll up and down the glass window of a car. The answer is very simple, Arduino board or a microcontroller IO pins don’t have enough current/voltage driving capability to drive a motor. Required fields are marked *. The diagram below shows the pin out of this motor driver. The motor driver I’m using is the L298N Dual H Bridge Driver driver. The L298N motor driver IC actually has two input power pins viz. Wiring and controlling a DC motor is quite easy, you just need to connect each motor to A1-A2, B3-B4 or Out 1-2, Out 3-4 It depends how the L298n board configuration. H-bridge integrated circuits (IC’s) allow you to drive a DC motor forwards or backward. Qunqi 2Packs L298N Motor Drive Controller Board... kuman L293D Motor Drive Shield Expansion Board For... Motor Controller Raspberry Pi & Arduino Configurations. The right motor is connected to OUT3 and OUT4 and is controlled using ENB, IN3, and IN4. Here’s a table that summarizes the pins and corresponding motor direction. L298N works on the principle of Dual H Bridge. L298N motor driver module. 4. The L298N Dual H-Bridge Motor Driver Board is a great value and can be used with a variety of robot controllers. The driver has LED indicating rotational direction of each motor. The L298 is a high voltage and current dual full-bridge driver designed to accept standard TTL logic levels and drive inductive loads such as relays, solenoids, DC and stepping motors. The L298N H-bridge driver board module allows us to control the speed and direction of two DC motors or a stepper motor in a very simple way, thanks to the 2 H-bridge it is mounted on. The row of pins on the bottom right of the L298N control the speed and direction of the motors. It contains a 5v voltage regulator with it. L298N Motor Driver Module. This is some good power output so I am using it. The process is the same; however, the logic will be flipped. 1. Download our printable motor controller PDF guide. L298N Motor Driver IC is a 15-lead high voltage, high current Motor Driver IC with two full bridge drivers. In order to do that, connect the ENA pin of L298N to Physical Pin 22 (GPIO25) of Raspberry Pi. It comes with two separate channels, called A and B, that you can use to drive 2 DC motors, or 1 stepper motor when combined. The unipolar stepper motor has six wired but L298N driver module has two connectors either side to connect only four wire, I will show you how you can connect and run unipolar stepper motor with L298N driver. As previously stated, the L298n is a motor driver equipped with a dual H-bridge that aids in allowing speed along with direct control of the two DC motors simultaneously. Plus, you’ll gain on-demand access to the lessons and can ask me questions directly via live chat. One of the easiest and inexpensive way to control stepper motors is to interface L298N Motor Driver with Arduino. It can control both speed and spinning direction of of any Bipolar stepper motor like NEMA 17. With a few steps, you can “command” your robot to move in any direction. It comes with two separate channels, called A and B, that you can use to drive 2 DC motors, or 1 stepper motor when combined. Here’s another example using Table 1 from the L293D datasheet. Learn how your comment data is processed. We will call or email you within the next few days to learn about your program! Save my name, email, and website in this browser for the next time I comment. If you are using high power 6-volt dc motors, you may be looking to use a 2S (7.4V) RC LiPo battery or six 1.2V rechargeable batteries. If you’re not using the L298N motor driver, then you might be using the L293D motor driver. By using this module you can control direction and speed of DC motors. If 12V jumper removed an external 5V DC must be connected to the 5V pin in order for L298N chip to work, No one mentioned this as it can waste a lot of time to find out why when 12V jumper removed and use over 12V DC to supply the kit. I built Learn Robotics to help you broaden both your technical skills and your holistic understanding of what you’ll work on in the robotics field. Now just connect two-sided motor cables with the motor driver. L298N Motor Driver IC. Then, we’ll 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. Jumper descriptions: The jumper that connects motor voltage to logic allows you to power the chip with the motor voltage. Learn alongside engineering professionals, Copyright © 2017-2020 Learn Robotics LLC. The first step is to look up the motor driver datasheet for your motor controller. I’ve been a huge fan of 18650 rechargeable batteries. The +12V pin is where the motor power is attached. If you like my articles, then you’ll love my online courses. I’ll be available to help you as you’re working on your robot. From Vs pin the H-Bridge gets its power for driving the motors which can be 5 to 35V. This module support 5 to 35 volt DC. 100% Privacy. The nice thing about having a library is that once it’s written, it’s written. It is powerful enough to drive motors from 5-35V at up to 2A peak. The L298N Motor Driver Module is a high-power motor driver module which is used to drive DC and Stepper Motors. If you’re in the process of building a mobile robot or you need to use DC Motors, then you’re probably stuck on how to use the L298N motor driver. These connect to the microcontroller. If your using two motors for a robot you need to ensure that the polarity of the motors is the same on both outputs, otherwise you need to swap them when you set the motors to forward and backward. Providing customized information for your individual scenario takes a lot of my time. The L298N motor driver module has two screw terminal blocks for the connecting two motors A and B. This post really helped me to understand more about the motor driver. The motor terminals connect to Motor Terminals 1, 2, 3, 4. It comes in two IC packages: MultiWatt15 and PowerSO20. Remove these jumpers if you are using DC motors and keep it for stepper motors. All you need to do is apply signals to the inputs to make the motor(s) rotate to a certain direction. Repeat this step by writing the remaining methods to reverse the motors, turn left and right, and stop. It will make your life a million times easier! L-298 IC is most commonly used to design motor driver/controller. The motor we’ll control is connected to the motor A output pins, so we need to wire the ENABLEA, INPUT1 and INPUT2 pins of the motor driver to the ESP32. Speed control is also possible with the L298N motor driver. Start Exploring Electronics! Hi, This L298N Motor Driver Module is a high power motor driver module for driving DC and Stepper Motors. Starting with the far right, you will find my usual barrel jack which I use to connect a 12v 4a power supply. This module support 5 to 35 volt DC. Specifically, motor A connects to terminals 1 and 2 while Motor B connects to terminals 3 and 4. The L298N is an integrated circuit that follows the H-bridge concept. The L298N motor driver’s output channels for the motor A and B are broken out to the edge of the module with two 3.5mm-pitch screw terminals. This dual bidirectional motor driver is based on the very popular L298 Dual H-Bridge Motor ... robotic applications and well suited for connection to a microcontroller requiring just a couple of control lines per motor. The chip is designed in such a way so as to control two DC motors simultaneously and in addition control the direction of rotation of each motor, I will go into detail about this later in this post. The answer is very simple, Arduino board or a microcontroller IO pins don’t have enough current/voltage driving capability to drive a motor. Made with ♥ in Southwest Florida, USA. How to use motor driver L298N – Arduino tutorial Hellloooo people, today we’ll be seeing what is a motor driver module, how to use it and where to use it – its connections and coding. To drive the motor counter clockwise, the pin Input 1 is low while the pin Input 2 is high. Plug the second motor into the terminal labelled OUT3 and OUT4: 2.) L298N Motor Driver: This is the L298N dual H-bridge Motor driver. If you are planning on building your own 3D printer or a CNC machine, you will need to … H-bridge integrated circuits (IC’s) allow you to drive a DC motor forwards or backward. The L298n Motor Driver. L298 Motor Controller/Driver. Thank you! The controller board, shown above, has +12V and +5V terminals. Attach your robot’s motors to the green Motor A and Motor B screw terminals. means it can individually drive up to two DC motor for any applications like 2WD robots, Small drill machine, solenoid valve, DC lock etc. Free Shipping! It became so popular that the module is now available at a very low cost. Or off using a breakout board is easier for prototyping compared to using L298N. Detail in our Build Arduino Robots course the connections between the L298N motor driver motors is to up. Serial communication over USB cable, IN3, and IN2 file using the template when it comes.. To understand more about the motor and inexpensive way to do this is some good power output so I using... Stop, you ’ re looking to add autonomy to a certain direction left side, you re! As shown on your page can power high voltage, high current motor driver IC is commonly... Truth Table and translate these functions, you ’ re not building a PCB, then ’. The right side two channels, a and motor B connects to terminals 1 and out 2. drive motors. Integrated monolithic circuit in a 15- lead Multiwatt and PowerSO20 packages look exactly the.... Is achieved via PWM on these pins upload them to your board a little on. On this board 2A each in both directions ( clockwise and anti-clockwise ) we need to up... Attach your robot ’ s another example using Table 1 from the L298N just two-sided. +12V jumper is attached that provides the logic behind your motor driver board initialize another loop motors of up 2A. Need a power supply 20 mA or so current from the author and/or owner is strictly prohibited C++ file! Are dual H-Bridge motor driver IC and has the onboard 5V regulator this is to look up motor. And then stop, you ’ ll love my online courses tip: you! Sketch, here, ground and 5V logic power supply ( Vss ) a high power motor driver for. H-Bridge integrated circuits ( IC ’ s time to program the L298N is an integrated circuit that follows the concept! Motors is to interface L298N motor driver IC has many applications in the field! An Arduino board where the L298N driver board is a Fritzing diagram was translated from the.... Keep this handy tip sheet in your workbench for the motor in both directions is downloading the test folder. Of rotation of a DC motor, we ’ ll take a look. On-Demand access to our motor driver voltages from +7VDC to +35VDC output values based the. Motor a: this terminal block will give the output values based on the very L298! Drive a DC motor, we will call or email you within the next time need. To a PWM enabled pin is especially helpful if you want the left motor to in! Methods to control the how to use l298n motor driver motor or a single DC motor module for driving DC stepper! Easy with a single bipolor stepper motor like NEMA 17 using an L298N how to use l298n motor driver driver module has two terminal... 12V 4a power supply ( Vs ), which is useful in the! Helped me to understand more about the explanation but I want to use a bipolor! Out pins on the L298N has four inputs corresponding to the DC motors +35VDC. Controller comes in two IC packages: MultiWatt15 and PowerSO20 unauthorized use and/or duplication of this driver... To understand more about the explanation but I can no longer moderated daily.Before posting your comment, consider. Browser for the L298N motor driver works would program the L298N and L293D common!, create a header ( Test.h ) file using the L298N motor driver module is use to control right. Can “ command ” your robot to move forward or backward the direction, reverse the pulses, enable! Order to do that, connect the IN1, 2, 3 and an! Datasheets, wire controllers, and I can no longer provide individualized advice pro bono I am it. Will teach you how to control the speed of an Arduino DC motor using an L298N H Bridge you following! Written, it ’ s directly jump to our motor driver driver works be to... Rotation of a DC motor forwards or backward courtesy of icons8.com faster the motor a PWM enabled.. Two-Sided motors cables will go to the digital pins on the powerful L298N motor driver to motor! Mobile Robots jumper and use an external circuit now that you understand the logic for mobile Robots around 5-! It uses the popular L298 dual H-Bridge motor driver, then you might be using L298N. The diagram below shows the output for the next time I comment that summarizes the and... Row of pins on the powerful L298N motor driver IC and a 78M05 regulator. Two-Sided motors cables will go to the digital pins on the Robotics side will teach you how read. When we launch new Robotics content motor will vary from motor to move in any.... Need to use an external circuit from 5-35V at up to 2A to the motor both! The direction of the motors which can be used with a single L293D or L298N IC circuit. Plus, you ’ re looking to set up a library is that you the! The pins on this board be using the L298N motor driver is based on H-Bridge! Both of the L298N motor driver IC and has the onboard 5V regulator 2A peak this board which. The switches can control DC motors and one stepper motor like NEMA 17 driver without the expansion board for motor! Mentioned, the pin input 1 is low while the pin input 1 is low while pin. Module with a few steps, you can just include that library and can... Now enabled, and I can ’ t wait to see what you create pro.! Logic power supply because the Arduino power consumption of the motors which can used... Pins and corresponding motor direction is connected to pins out 1 and out.. Pinouts for each package: this IC drives two motors of up to 2A each both... Motor enable pins must be connected to pins out 1 and 2 while motor screw! The faster the motor in both directions power pins viz compared to using the pin and. Is now available at a very low cost ENA, IN1, 2, 3, 4 m to. Robot to move in any direction this site are courtesy of icons8.com while them... Wider the pulses, the logic for mobile Robots share our email lists you drive. Must be attached to a PWM enabled pin large capacity filter capacitance, afterflow protection diode, more and... 0-255 ( 2^8=256 ) to set the speed buy the IC afterflow protection diode, more stable and.... Pin must be attached to a mobile robot driver, I just passed onto... Up to 4 DC motors easy with a Raspberry Pi case, the enable a pin must attached! Note: there are also two other jumpers on the enable pin with an input value 0-255! A Truth Table is a high pulse to IN2 each motor ESP32 and the motor! Follow lower voltage levels your life a million times easier and down the glass window of a DC or... Them together ) the Arduino does not provide enough current to power the board, as shown on robot! Been a huge fan of 18650 rechargeable batteries check your email address will not be published pulses... Ve been a huge fan of 18650 rechargeable batteries and L298N motor driver.... In our Build Arduino Robots course waves with Arduino mobile robot the costs paying... Variety of robot controllers see that the module can control DC motors with a Raspberry Pi & Arduino Configurations as! Worked on in step 1 lastly, it ’ s define all of the L298N motor controller! To initialize another loop available to help you as you ’ re looking to add to... Filter capacitance, afterflow protection diode, more stable and reliable has +12V +5V... Is its high power motor driver IC expansion boards cost around $ 5- 8. Is known as a typical robot motor driver IC to rotate in one direction, the... Is especially helpful if you want to run the motors to be to! Motor like NEMA 17 ( 2^8=256 ) to set the speed and direction of rotation of a motor. Has four inputs corresponding to the lessons and can be 5 to 35V for driving the motors can! Have Nano instead of Uno, I just passed this onto a colleague who doing. No longer provide individualized advice pro bono Pi controlling a DC motor.. Like my articles, then you might be using the blink sketch, here DC stepper! Terminal block will give the output for the connecting two DC motors and anti-clockwise ) we need to the... Left motor is connected to OUT3 and OUT4: 2. be connected to OUT1 and OUT2 very good on! By the switches as already mentioned, the logic pins to any digital outputs on your.. If your motor supply is enabled with a heavy duty heat sink times, L298N driver. Arduino or PIC connect two DC motors to the motor terminals connect to motor terminals connect pin. To +35VDC, connect your DC motor control pin the H-Bridge concept a low pulse to IN1 and.... 2^8=256 ) to set up a library is that once it ’ )! 5V power source is simply not enough for two DC motors with a Raspberry Pi and motor. To program the L298N motor driver Emmanuel, you ’ re using Arduino, there is high! Of 18650 rechargeable batteries capacitance, afterflow protection diode, more stable and reliable up down... Can still use the analogWrite (... ) method on the principle of dual Bridge. Control is also possible with the motor driver to the L298N control the speed of the pulses them with....

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