4 wire stepper motor arduino code. I plan on using a Ramps 1.
4 wire stepper motor arduino code. Arduino Code – Controlling Stepper Motor.
4 wire stepper motor arduino code General Guidance. 6~26. Item M42SP-5 M42SP-5K Rated Voltage DC 24V Working Voltage DC 21. Would DC motor move with this kind of code ? #include <Stepper. But I am still trying to figure out how to connect all of my motors to the board and program it. We also provide a simple demo code. Components: 28BYJ-48 ULN2003 5V Stepper Motor ULN2003 Driver Board Arduino UNO My question is: Can I connect the driver boards as I did in the picture, and just power the boards individually when I need the motors to This 4-wire bipolar stepper has 1. kman42 April 14 In this video you will learn how to control a 4 wire stepper motor with L298N Stepper Motor Driver module. arduino. 8 0 or 200 steps (both of them are same as 1. There are also two types of unipolar motor - those with 5 wires and those with 6 wires. I have attached a wiring diagram and the Arduino code. It actually has 4 coils (which means it can be wired as both a bipolar and unipolar), but we join up the wires to turn it into a bipolar motor. 75A@30v peak — Making Using These a Breeze! Ardu_Serie#48 Ardu_Serie#48 Wiring a Bipolar Stepper Motor to the L298N Module and Arduino. Connect the Limit Switch to the Arduino UNO. 8 Amperes per phase. Basic Arduino example code for stepper motor and Arduino Motor Shield with Stepper. Warning: Avoid connecting or disconnecting the stepper motor while the driver is powered on, as this could damage the driver. And if it has 5 or more wires, it is a unipolar. h> // Defines the number of steps per rotation const int stepsPerRevolution = 2038; // Creates an instance of stepper class // Pins entered in sequence IN1-IN3-IN2-IN4 for proper step sequence Stepper myStepper = Stepper(stepsPerRevolution, 8, 10, 9, 11 For a stepper motor, the 4 terminal pins on the H-Bridge should connect to the 4 leads of the motor. I want to hook up a stepper and am a little unsure of what way to plug in the motor wires, and worried about blowing the driver if I do it wrong. h> int motorSpeed = 9600; //maximum steps per second (about 3rps / at 16 microsteps) int motorAccel = 80000; //steps/second/second to accelerate int motorDirPin = 2; Stepper Motor 5V 4-Phase 5-Wire & ULN2003 Driver Board for Arduino From Geeetech Wiki Contents 1 Stepper Introduction 2 Features example code below into an Arduino program. Arduino Uno V3 (2) Adafruit stepper motor shields stacked Stepper motors are small linear There are two main types of steppers unipolar (5 or 6 wires) and bipolar (4 wires) which have different characteristics such as the number of steps per revolution. In this video you will learn how to control a 4 wire stepper motor with L298N Stepper Motor Driver module. Control Stepper Motor with L298N red module with Arduino. 7: hello I recently purchased a HY-DIV268N-5a stepper driver ( stepper driver data sheet ) - from what i have read it is based on the toshiba TB6600 stepper driver. 7A Stepper Motor Basics Simple Stepper Code. 4V Arduino 6 Wire Stepper Motor Tutorial : Arduino Stepper Motor Tutorial How to use an old six wire stepper motor and control it with an Arduino. I tried to wire it like it's written on this page so many times, and used the example codes and it worked, but only in one direction. I'm making a small Arduino Nano project, that will include the simple 5V 28byj-48 stepper motor and ULN 2003 driver and a 16x2 LCD. I have the power supply and stepper motor hooked up correctly. 5A AC\\DC adapter, just wanted to know if I could just wire the motor and arduino in parallel (through a female connector), and grounding them together, like in this drawing I added below. 8o per step). Basic Electronics Arduino ESP32 ESP8266. Any two phase stepper driver will work, but for full torque and power, you must use a driver capable of at least 2. First time I tried to do this, I managed to Learn to control Unipolar & Bipolar Steppers with L293D along with H-bridge Working, Wiring, Arduino code for speed & direction control of 28BYJ-48, NEMA 17. I am trying to make an motorized camera slider. the example code assume steps per rotation, but after Hi Everyone, I became a very difficult bachelor job and i'm suffering with it, i must use a stepper motor with an arduino nano. In the previous article, we used both an A4988 stepper module and an L298N H-Bridge to drive bipolar stepper motors with an Arduino to drive a common NEMA 17 size motor. It also shows how easy I'm using a 4 wire bipolar stepper with easy driver using step/dir/MS1/MS2 as pins 2,3,4,5 respectively. Let’s start by connecting the power supply to the module. i am using an Arduino Uno with output controls on digital pins 6 and 7. 0 (L298 Dual Full-Bridge). Pairs chec If you are using the AccelStepper library did you ever look at the code in the only example in the library ? //This is an example of how you would control 1 stepper #include <AccelStepper. Stepper motors, due to their unique design, can be controlled to a high degree of accuracy without any feedback mechanisms. Connect the 4 wires of the stepper motor to the IN1, IN2, IN3, and IN4 pins of the driver board. Hello all, For a small home project I need to control four stepper motors individually. I modified the code for my shield on the instructables link. This guide is ideal for beginners and hobbyists eager to explore motor control with Connect the 4 wires of the stepper motor to the IN1, IN2, IN3, and IN4 pins of the driver board. In our experiment we are using a NEMA 17 bipolar stepper rated at 12V. Most stepper motor driver boards can be set to use different levels of microstepping - for example 1/2, 1/4, 1/8 and 1/16. 2) of the Arduino. I need your help to be sure 🙂 The motor needs 5V to work. thanx for all replies. 3V or 5V systems, making it extremely versatile. Motors, Mechanics, Power and Hello guys. 11: 1948: April 1, 2024 Using RAMPS 1. August 8, 2022 at 12:48 pm. Wokwi uses a digital simulation engine, so the coil current is not taken into account. Not sure how they can call this a 4 wire. All of my other motors are simple two wire (+-), however this one comes with 7 wires (4 coming directly from the motor, 3 on the opposite side). The motor in the OP is a standard two phase, four wire bipolar stepper. A stepper motor is a type of DC motor that works in discrete steps and used everywhere from a surveillance camera to sophisticated robots and machines. Here are some links to the example codes I've used. Using the easy driver code I can successfully perform half step rotations. FIrstly, it is my understanding in a 3-write stepper motor, the two ground planes are often combined together into a "common ground". Hello I have two big problems for my project , firstly i don't find code to controls 4 stepper motors and i don't know where to learn how to code it my self secondly the project is to make a braille watch so the 4 steppers need to be control by a sort of clock , my idea is to turn 4 cylinder with braille number on it so the first cylinder need to turn every minute the seconde 4. In this Arduino stepper motor tutorial we will learn about the most commonly available stepper motor 28 For a 6-wire unipolar stepper motor, we can use four of six wires and control it as a bipolar stepper motor. Bipolar stepper motors can be driven using dedicated modules or with H-Bridges. The detailed instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. This Arduino code controls a 24V DC stepper motor (linear actuator) using a Leadshine DM332T 10-30V DC Stepper Motor Driver and external 24V 4A power supply. You can use a variety of Arduino libraries to control the stepper motor: Stepper, E ASYDRIVER: 4-Wire-Stepper Motor Driver — Brian Schmalz Design on A3967 IC — Bi-Polar Motors — . However, they all also say to drive a unipolar, you have to use a Darlington Array(like the ULN2003, or ULN2004), and to drive a bipolar, you have to use a H-bridge. 4 to control 2 stepper motors. 0 via the A4988 stepper driver chip. In this tutorial, you will learn how to control a stepper motor with the TB6560 microstepping driver and Arduino. For 5-wire unipolar stepper motor, see Arduino - control 28BYJ-48 stepper motor using ULN2003 driver. The coils are wired on consecutive pins, and in this case the first coil is on pins 2 and 3, and the second is on 4 and 5. A stepper motor has at least 4 wires (bipolar type); a unipolar stepper has 5, 6 or 8 wires. The motor was specified to have a max Price: $14. Arduino Code The following sketch uses the Serial Monitor, so once the sketch is installed and running, open the Serial Monitor and enter a number of 'steps'. Learn how to control a variety of stepper motors using unipolar / bipolar circuits with Arduino. I've read many article on the internet and I understood that I need a driver board to control it, but I'm not sure which one to choose. It works OK with ST28 and ST35 steppers and the Seeed Studio Motor shield V2. How to use the limit switch, stepper motor, and Arduino. I'm attempting to run an old Nema 24 stepper motor on a Teensy 4. The Arduino UNO CNC shield looks perfect, it seems it can drive four stepper motors as it allows driving four stepper drivers. published December 20, 2012, last updated December 20, 2012 Premium Male/Male I have a laser engraver that the plan is to connect each leg to a Nema 11 stepper motor, so 4 motors total, and this would essentially make an adjustable Z-axis and lift the whole machine up and down. Using Arduino. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. The thingis that I cannot make it work. This tutorial focuses only on Stepper Motor 5V 4-Phase 5-Wire & ULN2003 Driver Board for Arduino From Geeetech Wiki Contents 1 Stepper Introduction 2 Features example code below into an Arduino program. 1 // Arduino stepper motor control code 2 3 #include < Stepper. Hey Guys, I am new to Arduino and Programming. So your motors are DC motors. All I can find is the spec sheets for very similar motors from the same company but different versions and it does not have the pinout. I found many inputs using external stepper drivers but nothing concerning stpper motor + arduino nano carrier. by Simon Monk. I have found tutorials for one motor, but not for 4 motors. Motors, Mechanics, Power and CNC. Driving Unipolar Stepper Motor (28BYJ-48) In this initial experiment, we will be using the 28BYJ-48 unipolar stepper motor, which operates at 5V and provides 48 steps per revolution. Here is the simple sketch that makes the stepper motor spin clockwise at 60 RPM and then As for the motors, they are 4 wire bi-polar, 24v motors. One of its notable features is the regulated output current, which ensures smooth and noiseless operation of the stepper motor, while also eliminating Hello, I bought this stepper motor 5V 2-phase 4-wire Stepper Motor : As a noobie, I choose this motor without making any deeper researches first and I think it's not a good choice. Those characteristics should be known and implemented in the code to be able to control the stepper correctly. Wireless & IoT. Rated voltage: 12-24V Power: 5W Current: 1. 4 shield. Also, do I have to use a breadboard? Thank you Learn how to stop a stepper motor when the limit switch is touched. It enables the Arduino to drive two brushed DC motors or one 4-wire two-phase stepper motor. The motor is Bipolar motors have 4 wires connecting to the two separate coils inside the motor - one pair for each coil. Connect the Stepper Motor to the Driver: The Arduino stepper motor code example provided in this post is a great starting point for your projects. The 4 logic pins will then connect to the Arduino (8, 9, 10, and 11 in this tutorial). 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. . In our previous project, we controlled 28-BYJ48 stepper motor using I'm trying this with simple code (which works fine, measured pins and they do what is expected of them) but stepper motor will not even move. The index portion of the controller is very reliable, but uses standard Hello, I've finished DC circuits subject as well as AC 2 years ago 😴, and I've searched many articles regarding how to control/drive/etc a brushless motor from CD/DVDrom. Tutorials. One of the rides is a rocking boat, so I purchased (Ali Express) a 15 mm stepper push-pull Linear Actuator 2 phase 4-wire stepping worm gear motor (see photo). There is existing code for Arduino to do this called GRBL. Skip to content. How to wire the Arduino, stepper motor, and driver. Arduino Code – Controlling Stepper Motor. pdf. Here is my situation: For my project I need to control 4 stepper motors individually, but I want to keep the Electronics as simple as possible. I am doing this because the 1970 era motor driver circuit is very sensitive to motor fluctuations, and blows the fuse, and/or the darlington output transitors. It has 200 steps to one revolution (1. I get continuity between Black & Green, and continuity between Blue & Red, but unsure of what the correct way to connect them to 1A, 1B, 2A, 2B should be. The A4988 stepper driver has an output drive capacity of up to 35V and ±2A, making it suitable for precise control of bipolar stepper motors like the NEMA 17, with a maximum output current of 2A per coil. Reply. Copy the example code below into an Arduino program. I plan on using a Ramps 1. Stepper motors are different from DC motors, in that you make them move by sending them phased pulses of current, making the motor move in "steps. int x; void setup() {pinMode(9,OUTPUT); // set Pin9 as PUL pinMode(8,OUTPUT); // set Pin8 as DIR } void loop() { Hi ! This is a really difficult challenge ! A stepper motor seemingly with no Datasheet - bought from a "real" shop ; these steppers have 6 wires (actually 5. Transistor دروس آردوینو به فارسی. omc-stepperonline. The best thank you for me is to not skip ads and Su Power supply (if required by the stepper motor) Setting Up the Circuit Wiring the Components. This is code is one of 4 examples shown in this video. After reading some projects which I found on internet I have some ideas however as a newbee I have bunch of questions to ask:) I want to control a 4 wire stepper motor (mitsumi M42SP-6NK) with L293D. Wiring Instructions DM332T Motor Stepper Arduino. Stepper Motors. I have 2 motors connected to 2 l239D stepper controllers using 8 pins on the arduino to control them. This driver is easy to use and can control large stepper motors like a 3 A NEMA 23. The emphasis of this tutorial is solely on the bipolar stepper motor. I have used this code and motor was moving. begin The code is set up for motor controllers using the step dir method. The most common step angle or step count for stepper motors is 1. Arduino Code – Controlling NEMA 17 Stepper Motor. Connect one pin of the limit switch to the GND pin and the other pin to a digital In this tutorial we will learn everything we need to know about controlling stepper motors with Arduino. 8 0 x 200 = 360 0 ). Experiment with different movements, speeds, and applications to fully utilize the potential of In this tutorial I used a bipolar stepper motor with 4 wires. Aligators provide 12v for motor, nano esp32 has power from usb connection. ("The stepper motor is STOPPED")); } } Arduino Code – Change the Direction of the The following image shows a bipolar stepper motor, a 6 – wire unipolar stepper motor and a 5 – wire unipolar stepper motor. I am interfacing the Uno to a DM320T Driver manufactured by OMC (www. I am using a 12V power source for the driver. I can't imagine you can control them with stepper. In this tutorial we will learn everything we need to know about controlling stepper motors with Arduino and the A4988, DRV8825 and TMC2208. Stepper Motors with Arduino Mega 2560. I have a 5V 1. cc/en/Tutorial/StepperSpeedControl. 7: I am having a problem getting the shaft of a NEMA 17 motor to rotate. Just before The 28BYJ unipolar steppers with the ULN2003 4 wire drivers will not work with the Ramps 1. 2 of them are soldered together on a mini-board on the side of the stepper) But no sign that which is which . This was an old stepper motor that I pulled out my junk pile, I'm not sure what it came from, I think it was an old printer from the 80s. What Wiring the Arduino and stepper motors should be relatively simple. Connect one pin of the limit switch to the GND pin and the other pin to a digital pin (e. When posting code, please use code tags. Has anyone modified the g code firmware to control the steppers in this way? Using 4 pins for each motor rather than 2 (step dir) Note that the red lead of the Stepper motor is not connected to anything. 00 USD Is there a way to run 3 stepper motors from an arduino uno. I searched for data sheets but wasn't able to find any related help. The Gecko driver is significantly more robust. It makes is easier to read, the forum software will not mangle it and it's easier to copy. Connect the motor’s wires to the B2, B1, A1, and A2 pins on the DRV8825 arduino. Enter -500 and Jumper wires; Stepper Motor Control with Arduino and Rotary Encoder Circuit: Project circuit schematic diagram is shown below. I dont think that pinout wiring is wrong, but something is wrong with the So I implemented the circuit like shown below, without H-Bridge, connecting the 4 wires of the stepping motor direct to the Arduino. h library. Arduino Example Code Notes : The example code assumes that the stepper is being controlled by Arduino pins 8, 9, 10 and 11, but you You can also wire the stepper motor directly to your microcontroller. For a 5-wire unipolar stepper motor, check out the tutorial Arduino Nano - control 28BYJ-48 stepper motor using ULN2003 driver for more information. So I just changed the const int to fit my needs. The code handles the bits of PORTB. Arduino Projects; and we can also notice that if we take a look at The bipolar stepper motor usually has four wires coming out of it. I have a 4 wire bipolar stepper motor, and arduino nano, and a stepper motor controller. The board can either work with 3. I've been trying it for a while now, and each time I achieved slightly different results. Stepper Motors Arduino Code Arduino Lesson 16. " The first Darwin RepRap with an Arduino controller (Generation 2 Electronics) used this stepper motor. h> const int stepsPerRevolution = 200; A Stepper Motor is a brushless, synchronous motor which completes a full rotation into a number of steps. Goal is to make it slow, steady and slide from from End1 to End2 and return with the help of arduino, stepper motor and 2 VCC: 9 – 42 VDC GND: Power supply ground ENA-: Arduino GND ENA+: Pin 4 Arduino DIR-: Arduino GND DIR+: Pin 2 Arduino PUL-: Arduino GND PUL+: Pin 3 Arduino A-, A+: Coil 1 stepper motor B-, B+ (2) A4988 Stepper Driver (2) Stepper motor; Breadboard; 12V DC Power input; LM7805 Voltage Regulator (5v) Jumper wires; The LM7805 is not necessary, as you could make use of the Arduino’s builtin voltage regulator. Have looked at getting rid of motorshields and using different stepper motor controllers, BUT maybe I can make this work. I have taken a 4 phase 6 wire unipolar stepper motor from an old printer. Before connecting the motor to the chip, you must identify the A+, A-, B+, and B- wires on the motor. Edit your post, select all code and click </>; next save your post. The first few lines of code define the connections for the stepper motor: the dirPin is connected to the TB6600 driver’s direction pin, and the stepPin is connected to the driver’s step pin. Two mounting holes on-board give the user the option to Learn Arduino, Lesson 16. I got stepper motors because I do not want my robot to be that fast. com). https://www. This information can usually be found in the motor’s datasheet. However, @lirilsilvi, your topic has been moved to a more suitable location on the forum. g. h > // Include 4 the header file 5 6 // change this to the number of steps on your motor 7 #define 8 STEPS 32 9 10 // create an instance of the stepper class using the steps and pins 11 Stepper 12 stepper (STEPS, 8, 10, 9, 11); 13 14 int val = 0; 15 16 void setup {17 Serial. Comments. 309×510 28. Try to find a stepper motor that can run at 5-12 V and doesn’t exceed the 2 A current limit. Download the program to Arduino, and power Arduino by 5V power supply. Below schematic diagram is showing the basic connection of Arduino, stepper driver, power supply and stepper motor. This Arduino code is used to control a stepper motor connected to the Arduino board using the TB6600 driver. Unlike unipolar steppers, bipolar steppers have no common center connection. 4 board with an Arduino Mega to control 4 stepper motors for my own project. Arduino Example Code Notes : The example code assumes that the stepper is being controlled by Arduino pins 8, 9, 10 and 11, but you 28BYJ-48 4-Phase Stepper Motor `//Includes the Arduino Stepper Library #include <Stepper. I also started reading "Massimo Banzi's Getting started with Arduino" and related to the LED project at chapter 4 I found some clues. Arduino Example 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. Hi All, I would like to connect a 4 wire stepper motor to an arduino nano carrier, the final goal being to use it with matlab. It didn't make the rotation change, worked only Bit too low a resistance to drive directly from Arduino pins alas, and you'd need For those interested, here's the code I used to drive the motor. All i got was the 4 wire having different wire color code details. At the moment that you can upload code, Installation and Troubleshooting is the wrong section. Stepper motor connection to the Arduino. Resources for this sketch. Qwseyvnd: Do you mean use 1-3 outputs with PWM to control smooth ? Read my lips --- no Arduino PWM, anywhere. there are plenty of them on eBay and they are pretty Learn: how Stepper Motor works, how to connect Stepper Motor to Arduino, how to program Arduino step by step. You can set the number of steps, direction and slowness. You can set the number of Here a simplified sketch to control a four-wire stepper motor without using the Arduino Stepper library. Stepper Motor Basics Simple Stepper Code. Find this and other Arduino tutorials on ArduinoGetStarted. The packaging for the motor labels the wires as: blue - A purple - /A yellow - B orange - /B white - com I wired the motor leads to the H Bridge as follows: blue - motor A purple - motor A yellow - motor B orange - motor B white - Connect the Stepper Motor: The DRV8825 module is designed to match the standard 4-pin connector found on bipolar stepper motor arduino. This IC enables you to drive bipolar stepper motors that are 4, 6, or 8-wire configurations. Hi there, I just bought thesteper driver DM860A and I need to control its motor with my Arduino Mega Board. Here is the specs from the spec sheet without posting the whole pdf. Motors, Mechanics, Power Learn to control 28BYJ-48 stepper motor and uln2003 driver with Arduino, working, gear ratio, pinout, wiring, arduino code and to control two steppers simultaneously. also look up the AccelStepper libraryR. The I am running an arduino uno with 2 adafruit motorshields which control 4 stepper motors. JR. Demonstration Arduino code. I've seen WYE-DELTA conversion,blablabla,3phase motor,etc I just can't understand these all 😥 Okay, so here it goes, I have here a 4-wire Brushless MOTOR from my DVDrom, I just disassembled it Hi I am new to Arduino and am trying to make a robot with four wheels. L298N Full Bridge Motor Driver Data Sheet; L298N Module with Yellow connector Sorry if this has been covered before, but I'm new to stepper motors and can't get things to work properly. Hi, can you help me, I try to make the same with a A4988 motor controller, though I don’t understand the Arduino code. Though designed for CNC it can be pressed Hello. but is a good way to get started and get a Everywhere I read says that a bipolar stepper has 4 wires. can someone I am having a 6 wired stepper motor, NMB-MAT PM42S-048 which i am trying to connect to Arduino. 2 phase NEMA17 42mm 4-wire stepper motor. We will cover how to control a NEMA17 stepper motor in combination with a A4988, a DRV8825 and a TMC2208 stepper driver. 8° per step for smooth motion and a nice holding torque. I want to be able to run the stepper motor continously, in half or even micro steps. com. Find this and other I am working on a project for a kids museum and get to learn about stepper motors. I am confused and not able to understand how i can control it. Now the power options from the driver to arduino are as follows: PUL: connected this to pin 8 in Here, I will focus on how to get a bipolar stepper motor (typically 4 wires) working with Arduino and a H-Bridge IC like the L293D , or the drop in improved replacement – SN754410NE . I have an A4988 driver and a hybrid stepper motor with 6 pins out. 6 KB And it works fine with the following code: I am converting a standard 4 wire step motor driver to use a Gecko step/direction driver. How to change the direction of the stepper motor when the limit switch is touched. When using the AccelStepper library and code that causes the motor to go in forward and then in reverse for a few seconds using FULL4WIRE and HALF4WIRE causes the motor to not Hello. Menu. Motor In this forum post, we’ll walk you through an Arduino stepper motor code example to get you started. I have included a wiring diagram and 2 example codes. This is the Arduino code for L298N Stepper Motor Controller. Driving a 2 phase 4 wire stepper motor. Stepper motors provide accurate controlling, and can be differentiated on the basis of torque, steps per revolution, and input voltage. I currently have the resources to wire 2 stepper motors to the Ramps board. Try a value of about 500, this should cause the motor to turn through about 360 degrees. ishan-93 March 10, 2018, 4:14am 4. I am coding this project using the No idea what I'm doing I have a 5 wire unipolar stepper motor and a L298N H Bridge (probably not what I need, but it is what I have). 5: 3274: May 6, 2021 24 Volt, 4 Amp Nema 23 Stepper Motors. All the data I have : on a sticker on it is written : CP-062 950601 110 Ohms SANYO some mini words written . Based on the H-bridge driver Chip L298N motor driver integrated circuit, it requires a 6V to 15V power supply to power the Hi, am using the DM420A driver for my stepper motor. As shown in the Fritzing diagram, an external power source can be connected to power the motors. See the below wiring guide, but the important part is simply to power the Arduino, connect the GND and +5v lines to the controller and then to connect the 4 IN pins from the Here a simplified sketch to control a four-wire stepper motor without using the Arduino Stepper library. It works good, but I know I"m not powering correctly. Arduino Board ; Unipolar stepper motor (Can be found in old floppy drives) ULN2003A driver; 10k Ω potentiometer; Jumper wires; Arduino IDE (online or offline). CAn you please guide me, how can i do it so? Most large stepper motors are bipolar, meaning that they have 4-wires, two per coil assembly. 4 wires from stepper change color out of the photo into white, grey, purple and blue. The code in my simple stepper demo is intended as a first step to getting your motor working.