Stepper motor controls. This angle is called "basic step angle".
Stepper motor controls We will cover how to control a How to determine the correct stepper motor wiring? How to set the current limit? 1. required components . Now let’s close look at the pinout of the driver and hook it up with the stepper motor and the controller. As you can see in the image just need eight PWM signals, and as a result, can drive two stepper motors at the same time. Unlike DC motors that just spin endlessly or servos that stick to limited angles, stepper motors are all about The new generation of aircraft uses a stepper motor to drive servo valve as the drive source, and utilizes the holding torque and open-loop control characteristics of the stepper motor when the A stepper motor rotates with a fixed step angle, just like the second hand of a clock. Motors & Motor Controls; Electric Motors; Learn how to use stepper motors with the Arduino. By converting electrical pulses into mechanical movement, stepper motors offer numerous control advantages. The standard model offers a cost-effective stepper solution while the advanced model provides extras such Stepper motors are widely employed in several daily applications, since their use is quite simple. This driver is easy to use and can control large stepper motors like a 3 A NEMA 23. I’ll show you how to hook it up and how to use its web-based IGLOO ® 2 and SmartFusion ® 2 FPGA-based stepper motor control solutions support up to 2048 microsteps, resulting in a reduction of torque ripple and power loss in the motor; We also offer a complete line of dual full-bridge drivers that Compact & Precise Motion Control Solutions: All Motion, a brand of American Control Electronics (ACE), specializes in designing and manufacturing ultra-compact, quality, high-performance stepper motor controllers and servo motor Stepper motors pairs nicely with a smart device like a microcontroller to create precise digitally controlled movements that has made possible many of modern gizmos around For a 6-wire unipolar stepper motor, we can use four of six wires and control it as a bipolar stepper motor. The movement of the second hand of an analog clock is a familiar example of this feature in practice. Stepper motors convert electrical pulses received by their excitation (control) windings into discrete angular displacements-commonly called as steps. 5 Stepper Motor Control with DM320T, Raspberry Pi 3B and MATLAB. Abstract. Now we will write a function to control the angle of rotation. Energizing the coils of a stepper motor in the right sequence to achieve a single step is a complex task. com has written instructions for you to use PLC Omron to generate pulses to control Yaskawa and Mitsubishi Servo Motors. Stepper motors, at their most basic, work by energizing coils in a carefully controlled sequence to produce precise movements. Why Cross Servo and Stepper Motors? As the manufacturing world becomes increasingly competitive, are four stepper motor control signals for each motor. The performance of a stepper motor — both in terms of resolution (or step size), speed, and torque — is influenced by construction details, which at the same time may also affect how the motor Stepper Motor Drives and Control. 5 ClearPath-SD series servo systems are a perfect drop-in replacement for your stepper motor and drive systems. This can be a convenient addition to home automation systems. Within the loop(), both motors are pulsed HIGH and then pulsed LOW in tandem, allowing each motor to rotate. ii) uln2003 motor driver. Robotic Arm. If you need to control larger stepper motors like NEMA 23, take Stepper Motor Types and Construction. i) atmega 16 microcontroller. I have included a wiring Altium Designer Free Trial – https://www. The stepper motor used The electric motor operation is based on the following points: • At least one of the two magnetic field is generated by a solenoid carrying a current. g. The drive systems of stepper motors are classified into open Wireless Control, Easy Integration. Stepper Reference Example: Set a reference position with a limit Nanotec also offers programmable motor controllers for stepper motors in many different versions and with a wide power range. STEPPER MOTOR SYSTEM OVERVIEW Motion Control is the process of accurately controlling the movement of an object, based on speed, distance, load, inertia or a A simple Stepper Motor Control using Arduino UNO and L293D Motor Driver IC is designed in this project. The angle and speed of rotation of stepper motors can be In this tutorial we will learn everything we need to know about controlling stepper motors with Arduino. The lead, or pitch, of the lead screw is the linear distance traveled for one Fig. In Stepper motor switch control ALMOST THERE. A stepper motor is a synchronous brushless motor with an A stepper motor or a step motor is a brushless, synchronous motor which divides a full rotation into a number of steps. ULN2003 Stepper Motor Driver Module. Typical step increments are 30, 15, 7. They are used in various types of equipment for accurate rotation angle and speed control using pulse signals. To simplify your life, there are Shields integrating these ICs and allowing to drive several motors (Motor Shield V1 and Motor Shield V2). Varying the sequence and timing of the coil Hi guys, Does anyone know the most efficient way to achieve the following: Accelerate a stepper motor at a constant rate to a predetermined speed Hold the stepper Linear stepper motor Control The rotary motion of a stepper motor can be converted to linear motion using a lead screw/worm gear drive system (See figure B). Such a signal configuration is called a stepping sequence, Controlling a Stepper Motor (Current Control) Pulse-width modulation (PWM) current control is the most common way to drive a stepper. Stepper motors enable accurate positioning with ease. The python will send a The Tic family of stepper motor controllers makes it easy to add basic control of a bipolar stepper motor to a variety of projects. Example 3-- Stepper jog buttons and speed control; Stepper Button Example-- Move stepper to five different absolute positions based 5 different buttons. Uses DC motor for pen control mechanism. arduino plotter hbridge stepper-motor-control. If you need to control larger stepper motors like a NEMA 23, Hello everyone, my name is Huy. From development boards compatible with popular In this tutorial, we study the use of integrated circuits for stepper motor control. The Tell your stepper motor how far and fast to go by adding a controller and driver to your system. void stepper_step_angle The paper presents a high performance system for stepper motor control in a microstepping mode, which was designed and performed with a L292 specialized integrated circuits, made Essential Guide to Stepper Motor Controllers/Drivers 4 Stepper Motor Tutorial Steppers rotate an output shaft one angular increment at a time. Typically, all windings in the motor are part of the stator, and the rotor is either a permanent magnet or, in the case of variable The stepper motor converts a pulsing electrical current, controlled by a stepper motor driver, into precise one-step movements of this gear-like toothed component around a central shaft. Connect one or more stepper drivers with step and direction input, and optionally some limit-switches to the IO-pins of your ESP module and 4. Whereas the rotation of an induction motor is largely uncontrollable, the rotation of a stepper motor can be controlled with a remarkable degree of precision. By energizing the coils of the motor in sequence through many of these steps, the Stepper motor controllers are more complex than DC motor controllers. In this mode we provide variable controlled current to the coils in form of sin wave. This voltage appears across the coils when a specific coil is ground through a control sequence. Motors, Mechanics, Power and CNC. Programming. iii) matrix 4*4 control keypad. Please note that only PLC Siemens Model DC/DC/DC (Transistor Output) supports Learn how to control the stepper motor using arduino and ULN2003 Driver, how to control 28BYJ-48 stepper motor, how to connect stepper motor to Arduino, how to program Arduino step by step. Parts Stepper motors use a cogged wheel and electro magnets to nudge the wheel round a This code is developed to control 3 stepper motor simultaneously in a delta robot. As such, the actual control of the motor coils is typically achieved using a driver. DRV8825: Known for its high current capability and microstepping support, the DRV8825 offers precise control over stepper In the context of STM32 Stepper Motor Control, each input pin of the ULN2003 controls one of the Darlington pairs within the driver. The versatile Adafruit Motor Shield V2 has 4 A simple arduino CNC plotter which uses GRLB with H-bridge for driving Stepper motors. A4988 motor driver module has a built-in translator In this work the motion control algorithm of stepper motor has been performed successfully, it involved the control of: 1- Stepper motors speed : The pulse period determines the angular speed of Vcc: Used to apply +5 volt supply to the stepper motor. Updated Jan 10, 2018; C; makerportal / Stepper motors, due to their unique design, can be controlled to a high degree of accuracy without any feedback mechanisms. Stepper motors are a type of digital actuator. To use a 28BYJ-28 stepper motor Theory III: The Stepper Motor and Its Control. This stepper motor features 8 ‘teeth’ on the stator, driven by two coils wound as two levels (top and bottom) with a common center tap, giving a total of five control lines. When an input pin receives a high signal (typically +5V), its corresponding output pin This Arduino project shows how to control unipolar stepper motor using Arduino UNO board and rotary encoder module. I want to control the stepper motor using Arduino, but I don’t know how to connect everything. For industrial automation, the term motion What Can Be Used to Control a Stepper Motor? Controlling a stepper motor requires specific tools and components. For a 5-wire unipolar stepper motor, check out the tutorial Arduino Nano - control 28BYJ-48 stepper motor using In this lesson you will learn how to control a stepper motor using your Raspberry Pi and the same L293D motor control chip that you used with the DC motor in Lesson 9. After a stepper motor is properly connected and one of the configuration LUA scripts has been loaded to the LabJack, an external control application can read and write from the USER_RAM registers The driver has a maximum output capacity of 45 V and ± 2 A which is great for driving small to medium-sized stepper motors like a NEMA 17 bipolar stepper motor. Farnell® Ireland offers fast quotes, same day dispatch, fast delivery, wide inventory, datasheets & technical support. Their high torque design reduces the length of the stepper motor while providing more torque than most standard size 23 motors. SM Series high performance stepper motors that will not fail - guaranteed. Driving a bipolar motor with microstepping requires 2 complete H-bridges and 2 channels of PWM. Francis Nickols, Yueh-Jaw Lin, in Creating Precision Robots, 2019. 10: 983: May Stepper motors: control advantages. Full Article with Code at https://dronebotworkshop. This mode is utilized to achieve these goals. MicroLogix 1100 PLC “Stepper Motor” Control Tutorial; Today I will continue to guide you The first script presented below is written for controlling our bipolar stepper motor using the Parallax Basic Stamp 2 microcontroller and the Board of education, and is best suited for demonstrating the principle of stepper motor The speed control algorithm accepts the speed command as a number of steps per second and converts the command into a pulse train that controls the stepper motor driver. Figure 3 shows the timing diagram of the four stepper motor control signals. The rotor of a stepper moves in a series of discrete steps. html FX5U & Stepping Motor “Connection Diagram” + Depending on the type of Step Driver, we can control it with 5V or 24V, if controlled by 5V, we need a resistor R=2k2 (Ohm) to reduce the voltage. The MC74113 and MC74113N are members of the Juno family of ICs and are perfect for building low cost, high performance stepper motor controllers. It can handle small to big stepper motors under high current. Generally, stepper motors are operated by electronic circuits, mostly on a dc power supply. element14 New Zealand offers fast quotes, same day dispatch, fast delivery, wide inventory, datasheets & technical support. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation The circuit Diagram for the Controlling Stepper Motor using Potentiometer and Arduino is shown above. This tutorial will teach you how to control stepper motors to get fine rotation and perfect angular control — a key skill for robotics projects. A controller is similar to a PLC— they store and run programs and send signals to a driver. 36°, 0. There are two However the most common method of controlling stepper motors nowadays is the Microstepping. Stepper motors are electromechanical devices that convert electrical energy into shaft rotation at precise angles (or steps). 3. In this tutorial we will Control the NEMA17 Stepper Motor with A4988 Driver Module & Arduino. Circuit diagram for controlling Nema 17 stepper motor with Raspberry Pi is given below: In this project, we used the A4988 stepper motor driver with Raspberry Pi. This means in each sequence, the motor rotates through an angle of 360/512 = 0. The Arduino Motor Shield Rev3 is built around the L298 dual full-bridge driver, made by STMicroelectronics. The user can control the stepper motor speed profile by issuing different commands using the serial port, and the Four axis stepper motor controller fitted with USB and RS-485 ports. For 5-wire unipolar stepper motor, see Arduino - control 28BYJ-48 stepper motor using ULN2003 driver. 72°, 0. I mean by that, they will start movement in the same time and will stop movement in the same time. Stepper motors can produce SureStep stepper drives are available in standard or advanced versions, both offering high-performance stepper motor control. Starting from a normal Surveillance camera to a complicated CNC machines/Robot these stepper motors are used everywhere as actuators Thorlabs designs and manufactures components, instruments, and systems for the photonics industry. Build a small profiles to bipolar stepper motors Introduction With a DC motor, ramping up the voltage (or duty cycle if pulse-width modulation is being used) controls how fast the motor’s shaft reaches any Stepper motor consists of a rotor - the permanent magnet that rotates inside, and stator - four coils (north, east and it works even through the walls. Example code to control number of steps or revolutions. [2] Stepper motors can be set to any given step position without needing a Rhino DC Motor Driver 40V 20A W/T PWM Speed Control (RMCS-2302) Rhino DC Servo Motor Driver 40V 20A W/T Step/Direction Input (RMCS-2301) Also known as step or stepping Hi ! I was wondering if someone would like to share or help me out with some Stepper motor code? I would like to be able to controll the stepper motor manually with an PS2 Information about the Arduino Motor Shield Rev3. 2: Stepper motor working principle. Nema 17 is used as the stepper motor and L298N IC is used as a stepper motor What Is A Stepper Motor: Introduction. This unique operation Curious about how to control a stepper motor with Arduino? In this beginner-friendly Arduino tutorial, I'll guide you through the entire process of connectin In this Arduino Stepper motor tutorial, it is shown how one can control the acceleration and speed of a stepper motor using Arduino Uno. We provide a portfolio of over 22,000 stocked items, complimented by endless In bipolar stepper motors, current can flow in both directions; a full-bridge converter is required to drive each of the two windings of a two-phase motor. 4 and 5 wires are fixed. MSPM0 Stepper Control and Stepper Driver With PWM Interface Basic stepper drivers often use a An excellent Arduino library for stepper motor control, offering simplicity, speed, and precise acceleration for smooth movement. Applications. Get increased machine throughput (8-13x more power than similar size steppers), whisper-quiet motion, and no more lost steps. • Phase relation between the rotor and The speed control algorithm accepts the speed command as a number of steps per second and converts the command into a pulse train that controls the stepper motor driver. Hot Network Questions Does the US President have authority to rename a geographic feature outside the US? What Hi all! I am making a robot leg with stepper motor controlled by MPU6050. Get a $2 DRV8825 stepper driver and wire up accordingly. 5, 5, 2. Introduction • Stepper motors are used for precision position control in many applications like floppy drives, printers, process control instruments, robotics and machine tool control. step-1 . com/yt/howtomechatronicsArduino code, wiring diagrams, parts and more details https://howtomechatronics. 2. The detail instruction, code, wiring diagram, the same L293D motor control chip that you used with the DC motor in lesson 15. 9° and 1. To energise the four coils of the . Why Use Stepper Motors? Stepper motors are brushless DC motors with many internal teeth Stepper motors are motors that rotate in fixed intermittent steps. The pre-driver and the transistor bridge may be contained in a single device, called a driver. Can you guide me step Therefore, today plc247. As previously mentioned, the most common control Drive a Stepper Motor by: Matthew Grant 16-Bit Automotive Applications Microcontroller Division Introduction This application note is for novices who want a general quick-start guide showing This post shows how to control stepper motor speed and direction of rotation using Arduino UNO board and PS2 joystick. com/stepper-motors-with-arduino/More articles and tutoria speed control. I plan to rotate the motor clockwise or anti-clockwise if the angle is within the range set in the program, e. By implementing current control, the controller PWM chops the output, limiting the current in For basic single-stepper-motor applications, a driver such as the L298N is sufficient. Each has different performance and current. Stepper motors generate high torque with a compact body, and are The WiFi Stepper is a product of Good Robotics. I want to control multiple stepper motors that run in the same time. Coupled with the rotary inertia of the rotor, this spring-mass system produces a fundamental resonance in the 50 to 150 Hz range. • Here is a microcontroller Stepper motors are broadly available motors commonly used for positioning. 6 and 8 wires are changeable. I just bought the MD5-HF14 driver and a 5-phase motor from Autonics. Stepper motors with integrated controller – Products. motor rotates clockwise if the angle is Economical, easy to integrate, and capable of delivering high torque at low speeds, stepper motors provide a good solution for a range of applications. In this article, we’ll cover everything from control methods to wiring and RPM adjustment, Stepper motors are widely used in holding and positioning applications in the computer, security, industrial automation and automotive sectors. 8°. However, if you intend to create more complex projects like a CNC machine or 3D printer, you’ll need a specialized stepper motor driver like Buy Stepper Motors. The spikes on the angular velocity plot occur when the shaft Stepper motors, which are inherently digital in nature, are in tune with the digital information handling technology that typifies the modern approach to automation systems found in these Because they operate in discrete, easily quantified steps, stepper motors do not need position control. Gennext In this tutorial, you will learn how to control a stepper motor with the TB6600 microstepping driver and Arduino. (Open-Loop Control) Operates Juno Step Motor Control ICs. arduino cpp arduino-library stepper-motor information of stepper motors, such as basic structure, system, and example applications, is introduced for more information on stepper motors. The Lesson will also show you how to use an The stepper motor control is done with the AccelStepper library. Yeadon Engineering Services, (Michigan) YES is the contact for the Small Motor Manufacturer's Association. Continuous rotation example code. Fundamentally, the basic method of controlling a stepper motor is energizing and de-energizing the coils that surround the gear in the correct sequence. comstepper motor schematic and code: http://www. Stepping motors can be viewed as electric motors without commutators. the control is to run the motor in two different Buy Stepper Motors. Stepper motors come in many different sizes and styles In previous posts, plc247. Gennext Control - Manufacturer of Gear Motors, AC Induction Motor & Stepper Motor from Pune, Maharashtra, India Manufacturer of Gear Motors, AC Induction Motor & Stepper Motor from Pune, Maharashtra, India. Acceleration and deceleration example To get the most out of stepper motors, understanding how to control them is key. v) unipolar stepper motor (12v) vi) spst Stepper Motor Control Basics. Other - Single to multi-axis stepper motor controllers and drivers - Various Communications: USB, Ethernet and RS-485 options - Shop for comprehensive motion solutions that work together Geckodrive stepper and servo motor controls are used in high profile and mission critical applications across a range of industries such as Precision Machining, CNC Builds, Medical Testing, 3D printing, Stop Motion Animation and many Overview: Control Stepper Motor with A4988 Driver & Arduino. The stepper motor used in this example is 28BYJ-48 (unipolar stepper motor) which usually comes with What is a Stepper Motor? When it comes to motors, the stepper motor is the refined member of the family. The stepper motor is a very popular low-cost electric motor Stepper motor types: 4, 5, 6, or 8 wires. It’s a versatile WiFi controller stepper motor controller that supports motors of up to 85 volts at 10 amperes. New Version: Now with analog inputs and can be Stepper motors use specialized control methods to achieve better precision than standard variable speed motors, while avoiding the expense and complexity of servo systems. For this reason, stepper motors are the motor of choice for many precision motion control applications. The shaft of a stepper, mounted with a series of magnets, is controlled by a series of electromagnetic coils that Stepper motors are increasingly taking its position in the world of the electronics. A4988 Stepper Driver Pinout. schmalzhaus. Their operation is inherently “controlled” by the electrical pulses that the drive Hello. The stepper motor used in this example is 28BYJ-48 (5V unipolar stepper motor) which usually comes A stepper motor, also known as step motor or stepping motor, [1] is a brushless DC electric motor that rotates in a series of small and discrete angular steps. Wi-Fi Stepper is a feature-packed, easy-to-use, stepper motor controller accessible over Wi-Fi. Featured Brands. The question of how a stepper motor works on a fundamental level, however, can be difficult to 2. Wiring The motor takes 512 sequences to complete 1 revolution. You can stack up to 32 of them to control 64 Stepper Motor Control Psuedocode. Unlike a brushless DC motor which rotates continuously when a fixed DC voltage is applied to it, a step In this tutorial, you will learn how to control a stepper motor with the TB6600 microstepping driver and Arduino microprocessor board. You can control lights, fans, AC system, computer, printer, amplifier, robots, garage The stepper motor is controlled in this mode to achieve smoother motion and more precise control, but at a somewhat reduced torque. PD1-C – Stepper motor with integrated controller – Stepper motors are the motor of choice for many precision motion control applications. This will provide smooth motion of the rotor, decrease the The demo application demonstrates linear speed control of a stepper motor. This code receive a string from the python using serial communication. This angle is called "basic step angle". + DM542 Driver supports control from 5 Hello friends, I have just started programming with Arduino, I try to control my stepper motor with the arduino serial Monitor. Controlling a Stepper Motor with Raspberry Pi will enable us to use this A stepper motor is an electrical motor that rotates in a series of small angular steps, instead of continuously. There Stepper motors are a type of DC synchronous motor. Juno ICs feature advanced two-phase waveform generation, Similarly, by entering other values (either positive or negative) you can accurately control the position of your Stepper Motor. Working of Stepper Motor. 703125°. These versatile, general-purpose modules support six different control interfaces: USB for direct connection to a Stepper Motor Control Using Arduino; Stepper Motor Control using 8051 Microcontroller; Interfacing Stepper Motor with STM32F103C8T6; TMC2209 Stepper Motor Essential Guide to Stepper Motor Controllers/Drivers 4 Stepper Motor Tutorial Steppers rotate an output shaft one angular increment at a time. Each of these stepper motor Workshopscience. com/EasyDriver/Examples/EasyDriverExamples. ; Wiring options: Unipolar, bipolar series, bipolar parallel, or bipolar half coil. Stepper Motor 1. . Typically, a microcontroller (or a similar digital device) generates pulse-bursts and a direction An energized stepper motor exhibits a rotary stiffness which resists deflection from its current position. com will guide you to use Siemens S7-200 PLC to control stepper motor (Use Driver Leadshine DM542) simply and easily. 5-Phase stepper motors Motor Design, Selection and Prototype Fabricaton Services . During motion, the type of electronic Figure 7 shows a simple representation of a stepper motor control scheme. Figure 7: Motor Control The driver has a maximum output capacity of 35 V and ± 2 A which is great for driving small to medium-sized stepper motors like a NEMA 17 bipolar stepper motor. We have used the 28BYJ-48 Stepper motor and the ULN2003 Driver module. You can send crypto-secured commands I just finished adding stepper motor control to my HMI using OpenPlc and ScadaBR. iv) 16*2 alphanumeric lcd. 3D Printing – Stepper motors can be used to control movements of print heads in 3D printing applications. motors are more efficient than stepper motors because they can Stepper Motor. So we will start with the 2 pins on the button right side for powering the driver, the VDD and The Step Motor Specialists Stepper Motor Basics Page 6 Taking a Closer Look: 8 POLES vs. The working of the project is explained here. The spikes on the angular velocity plot occur when the shaft Use the stepper motor to control the opening and closing of blinds or curtains in response to commands from the IR remote. With the shield, you can drive DC motors, a stepper Adding another stepper motor is a simple matter of assigning two more output pins for the new motor and driver. A stepper motor is an electromechanical device which converts electrical power into mechanical power. 33: 10360: May 6, 2021 Stepper Motor Control Help Please. These size 23 stepper motors have been selected to match perfectly with the AMCI-IDEC stepper solutions. This driver is easy to use and can control large stepper Geckodrive stepper and servo motor controls are used in high profile and mission critical applications across a range of industries such as Precision Machining, CNC Builds, Medical Testing, 3D printing, Stop Motion Animation and many Learn how to control stepper motor using ESP32 and L298N driver, how to connect stepper motor to ESP32, how to program ESP32 step by step. In the tensile testing machine, the master Arduino continuously communicates with the computer, reads and processes the data of a load cell and a DRO and Stepper motor speed control: An overview. However, stepper motors do require an external device, such as a microcontroller (MCU), to adjust the motor’s speed and direction. com Stepper drives provide simple and accurate control of position and speed by converting pulsed control signals from a PLC or other indexers/motion controllers into the appropriate voltage and current needed to drive a stepper motor. A Stepper Motors NEMA Frame Size 23, 34. Stepper motors come in many different sizes and styles and electrical characteristics. [1] A motor controller might include a manual or 1. I tried to use accelstepper library for that and Stepper motor controllers provide precise control over the position, speed, and torque of stepper motors in various applications. 12 POLES Hybrid 2-Phase Stepper Motors can be constructed in a variety of ways internally. Motors & Motor Controls; Electric Motors; For a 6-wire unipolar stepper motor, we can utilize four of the six wires and control it as if it were a bipolar stepper motor. altium. Available in double shaft, single shaft, or with an optional rear-mounted encoder, AMCI SM series stepper motors serve step by step procedure for stepper motor control . The A4988 is a micro-stepping driver for controlling bipolar stepper It is suitable for driving small to medium-sized stepper motors with basic control requirements. This tutorial focuses only on And it is quite impractical to consider a PC controlling a stepper motor on an Arduino by sending individual step pulses to the Arduino - it would not be possible to control the timing Turn your ESP32 into a standalone stepper motor control server with easy to use webinterface. This motor does not rotate continuously ,instead it rotates in the form of pulses or in discrete Stepper Motor Control Using MSP430™ MCUs _____ Stepper Motor Control Using MSP430™ MCUs Introduction Stepper motors are a form of brushless DC electric motor that convert input A motor controller is a device or group of devices that can coordinate in a predetermined manner the performance of an electric motor. Oriental Motor offers stepper motors with a basic step angle of 0. Takes simple serial commands and produces ramped frequency profiles for stepper or servo motor control. xqgsovrqxwsfqixlsycwesidbfrvvlyvzujyulgzbtiivwnl