Questions tagged [stepper-motor]

A kind of motor that moves in steps.

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14 views

Drive 4wire stepper motor with PWM type CNC controler

How can I drive a stepper motor using PWM technique controller, since the stepper motor has 4 wires at 24v? I want a confirmation.
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73 views

Stepper motor vibrating and not turning

I've been stuck on this for a few days now and I can't seem to get my stepper to work. Last week, I bought a stepper motor (nema 17 size, 1.5A) and an A4988 driver to play around with. I hooked it all ...
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45 views

Requesting Advice For Selecting And Sourcing A “Medium Torque” Motor

For a prototype project I'm building, I need to select a motor. I'm not familiar with different types of motors, so I have been trying to do some research. However, most of the stuff I have been able ...
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Powering Arduino and stepper motor from a single 12 V power supply

I am trying to control mechanism involving a nema 17 stepper motor. I use an A4988 stepper driver and an Arduino Nano both powered by the same 12 V/3A power supply. So far I have fried or crippled 4 ...
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15 views

Stepper motor rating per phase

I'm starting to work with stepper motors and I'm not sure what the conventional way of denoting a current rating is. I've attached a picture of what looks like a 2 phase bipolar stepper motor and the ...
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21 views

Barn Door tracker motor battery selection

I am planning to build hinge based barn door tracker, as in the attached picture Its a simple meachanism for astrophotography aid, camera is mounted on one plate and other plate is connected via ...
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8 views

Controlling 1.5A Stepper with Easy Driver

I have a 1.5Amp stepper motor (nema 17 size) and I want to control it with an easy driver v4.4. The maximum output per phase for this chip is 750 milliamps. My question is: can I use this board to ...
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42 views

Driving Stepper Motor with Sine Wave

I am attempting to drive a stepper motor where each phase draws 1 A at 3.5 V using a sine wave oscillator that outputs two signals 90 degrees out of phase with one another. At the outputs of this ...
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1answer
52 views

How to route a stepper motor through an H-bridge and back into an Arduino?

So I’ve gone and tried connecting the VCC and GND of a six lead stepper motor (just the two) to the BTS7960 H-bridge, and through that connected to my numbered 0-n pins for I/O on the Arduino Leonardo....
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158 views

Why don't stepper motors ring indefinitely?

I don't have much of a EM background but I have used stepper motors for things. What's not clear to me is why don't stepper motors ring indefinitely? Excluding physical friction, what actually causes ...
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30 views

How do I connect wires to this micro stepper motor?

I want to use these motors for a small tactile display but I'm not sure how to connect to the motor connections they're so small. I was thinking about potentially using a semi-rigid PCB. If so is this ...
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16 views

BLDC and Stepper motor torque ration meaning

Ok so after searching on the internet for a pretty long time there are a lot of undefined or roundabout articles about torque for both motors. Hybrid bipolar stepper motor torque. This one is a little ...
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26 views

Heat sink for the L298 stepper driver IC

I am coming today to seek help from you for sizing a heat sink for the L298N IC. This Ic will be used to drive a 2A/phase stepper driver, supplied with a 12Vdc signal, and 5Vdc for the logical part. ...
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95 views

Unknown Component Identification

My friend and I are repurposing an old rc car. We're trying to wire up the steering, but we've never seen the type of motor that it uses for steering. It has 7 wires. What is this component and how do ...
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25 views

Can a faulty motor cause issues to another motor?

This is regarding the circuit of my 3D printer mainboard. I had an obersvation: It has a cooling fan (40X10 24V) which is having issues lately - it stops working sometimes, and when pushed to rotate, ...
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32 views

Drive stepper motor with potentiometer in Siemens PLC

It is difficult for me to drive a stepper motor with potentiometer (position stepper motor with position potentiometer). I've done program, to see the value from potentiometer with NORM_X. I am using ...
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1answer
33 views

What is the difference between these DVR8825 circuits? (stepper motor driver)

I use the one that is down and it works fine, but since I don't understand the difference between these circuits I decided to ask. Both circuits I found online, without explaining what is the ...
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33 views

Phase in stepper motor

I was going through Nema 17 stepper motor, and I saw that it was given 1.2 A/phase. What does the phase mean in a stepper motor?
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2answers
57 views

Stepper motor torque constant and electrical constant

I'm stuck with a problem regarding hybrid stepping motors and I'm not sure where I'm wrong. I can't reconcile the torque constant with the maximum speed of a hybrid stepping motor with the following ...
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2answers
68 views

Using back emf for charging window-blind controller battery

Let me start: I have no clue of electric engineering. However, I built an automated window blind controlled by my home automation. It consists of a stepper motor, motor controller board, an ESP8266 ...
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1answer
30 views

Arduino controlled stepper motor alternate that can be powered with AA batteries?

I would like to make an automatic fish feeder using a low power microcontroller (probably an Arduino Mini Pro, unless there are better suggestions). Something like this. It is basically a drill bit ...
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2answers
35 views

Can I use LM3481 for a system where no-load status can occur?

I have made a step motor driver board with LM3478 to supply 24v from 12v input. LM3478 The problem is that a user can power the board without the stepper connected board which drive the board to no-...
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51 views

Suitable motor for steering wheel angle of the self-driving car?

I am working on the self-driving car as a final year project. I want to map the steering wheel motor angles with frames captured via a camera of the track. In order to generate the dataset, I am ...
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33 views

Missing steps while rotating stepper motor with gear 20:1 and driver tmc5160

as per the title I'm using Nema23 stepper motor and 20:1 gear and tmc5126 stepper driver. 1) I'm providing 3amp of current to motor and 4096 of microstepping. 2) Motor was working on same ...
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19 views

power calculation for stepper motor

Power calculation for stepper motor with 1.2 Ampers and 4 volts. Is P = V * I enough for this? If not, should I do a separate operation with torque?
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85 views

How to calculate run capacitor value for inductive motor?

Hi. At the attached circuit diagram you can see the connection of inductive motor (2 coils) with a capacitor and 12VAC source. I would like to know how should I calculate the right value of the C1 ...
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2answers
45 views

Holding torques of a 7W stepper and a 48W stepper

Does anyone know why a 2.5V 2.8A (=7W) stepper has a holding torque of 1Nm whilst a 24V 4A (=48W) stepper has a holding torque of only 2.7Nm: Stepper 1: Stepper 2: The latter draws 7x the power, ...
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1answer
26 views

How can I determine what kind of power supply or battery I need for my four NEMA 23 stepper motors?

I am trying to determine what current my power supply needs to have for my mini rover project. The NEMA 23 motor specs are as follows: Bipolar amp/phase is 2.8A and the bipolar resistance/phase is 1....
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2answers
77 views

Stepper: Distribution of Microsteps within a full step

I am currently working on a project to precisely move a XY-table using stepper motors in microstepping mode. The goal is to reach 1/16 microstepping and there is an encoder with 4000 pulses per ...
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2answers
35 views

Trying to decipher the hole or shaft sizes in a stepper motor diagram

Trying to decipher the hole or shaft sizes in a stepper motor diagram. I am using this stepper motor as an example, but the question applies to a notation in all similar types of diagrams: https://...
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1answer
50 views

Tap into stepper motor signal

I was wondering if it is possible to tap into the signal either on the low power side (between motion controller and the stepper motor driver) or on the high power side (between the stepper motor ...
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49 views

What's a good method for filtering out glitches from stepper motor step signal?

I have a product which contains 2 stepper motors. I've been hardening the system against EMI and ESD. It used to reset or crash when hit with static. I've been able to mostly eliminate this by ...
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2answers
84 views

Determine if motor is “stepper motor” or “DC motor”

Stepper motors I have used before and I also know the basics of how it works. I have make one spin with an arduino by turning a pin on and off with 500 seconds of microdelay. I remember that the ...
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2answers
218 views

Nema 17 with transistors

I am trying to drive a nema 17 stepper motor with a 12v external power source between the collector and emitter. The base voltage will be 5v supplied by an Arduino Uno. I have read a lot on the net ...
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1answer
90 views

Can a stepper motor produce enough torque to open a door?

From a few sources, I read that a stepper motor produces more torque at slow speeds. I want to create an automatic door opener (for a living room). Can a stepper motor produce enough torque for this ...
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1answer
26 views

Controlling stepper motor speed & direction with single L298N H-Bridge

I'm in planing phase of my project. I have this motor: US-17HS4401 Stepper Motor (bipolar i think, has 4 wires). Can I use a single L298N H-Bridge motor to drive it. As in control both speed, ...
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347 views

How to calculate RMS current from the rated current? Are they the same in a stepper motor?

I want to use the TMC2130 driver with the stepper motor I show below. This driver has these main features amongst others: Integrated power MOSFETs handle motor currents up to 1.2A RMS (QFN package) / ...
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136 views

Driving a stepper motor (0K57STH56-2804A) with transistors

I want to drive a stepper motor for a homemade CNC machine but I'm not so experienced so any help would be great. I'm working off of this site: https://www.digikey.com/eewiki/display/Motley/How+to+...
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Creating a pulsatile flow

I'm trying to create a pulsatile flow to mimic blood flow and have some questions about motor drivers and/or controllers. I'm trying to make the system as small as possible and am still relatively new ...
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1answer
38 views

Why doe the sequence 16*[10,6,5,9] work for a bipolar stepper motor?

I programmed a bipolar stepper motor (Step Angle: 1.8 degrees) connected to the computer via a velleman K8055 usb board and coding in MATLAB. I thought the sequence for full step drive was [12, 6, 3, ...
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52 views

Stepper motor driver datasheet needed - Allegro Micro A6614SED-02A

I did a teardown of an HP PSC 2210 printer and scanner hoping to find a stepper motor driver (along with some other good stuff) but instead I found highly specialized parts, with little to no ...
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1answer
34 views

How to handle low voltage stepper motors?

So I've been looking at various NEMA-17 stepper motors, and I noticed that a most have an extremely low voltage. For example, on this page, there are NEMA-17 motors ranging from 2.8V to 5.4V, with ...
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1answer
50 views

Will the Stepper Motor 17HS3401 work fine with the TMC2130 driver? Or is the driver chip going to burn? Are they compatible?

I am considering whether to buy the stepper motor 17HS3401 of this catalog Current The motor uses a rated current of 1.3A. I need to connect it to the TMC2130 driver, which accepts just 1.2A with ...
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3k views

Stepper motor won't turn, just vibrates

I'm using 2 x 1.8-Degree Nema 14, 35 BYGHW Stepper Motors with a DRV8825 Stepper Motor. I have tried all 24 combinations of wiring the damn 4 wires but it won't work. I am using a 9v battery as the ...
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What happens when you put two rectifiers in series to get DC from a stepper motor?

For a project a stepper motor is used as a generator because of the decent amount of power at low RPM. Now have found that one rectifier is sufficient when placing the coils in series. First however, ...
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78 views

Which stepper motor should be enough to move a water valve and for the TMC2130 driver?

I need a stepper motor and a driver to control it. But I don't know which would meet my needs. I have an Arduino MEGA 2560 if that's relevant. Aim I need to close and open a Nupro valve with ...
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32 views

Uneven microstepping movement

I'm trying to control a stepper motor with an Allegro A4988 driver with microstepping. When advancing a few steps with no load, I can see that at full-step mode all steps have equal angle, but in ...
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1answer
68 views

Stepper Motor wiring confusion

I have got a 6 wire stepper motor. It's a chinese one (OKI KFL42LL) with Black, Brown, Orange, Yellow, White and Grey wire on it. Its specs are 8.7ohm and 7.5 degrees/step. I went through a lot of ...
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58 views

How will i design my Motor Circuit

I will be designing a circuit for 8 stepper motors. these stepper motors require 12V and atleast 3A. at most only 2 stepper motors will move at the same time. Will a 12V 30A bus be enough or ...
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2answers
123 views

Controlling NEMA 23 speed with Arduino

I have an Arduino controlling a NEMA 23 motor using a digital stepping driver (DM542T). I am trying to have it go a a given speed in RPM (60), but when I try it results in a very jerky movement of ...

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