Questions tagged [stepper-motor]

A kind of motor that moves in steps.

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32 views

Stepper motor position control

i currently try to control a stepper motor to position a camera, to keep my face in the middle of the frame. The face detection is working, and my python program(on raspberry pi 3) can determin the ...
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70 views

Stepper motors and vertically lifting a platform [migrated]

I am trying to select what stepper motor size (nema17,23,34...) to use for my project and quantity of motors needed. But am not sure how to apply the motors "torque" to real scenarios. ...
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1answer
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Does a stepper motor's error accumulate?

I am trying to understand the concept of stepper motor error. A typical Nema17 stepper takes 1.8 degree steps and has an accuracy of +/-5%. Consider the diagram below: In the diagram, 4 stepper ...
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38 views

How to ground with two sources of power and an unknown output voltage

Hi I have a setup that I'm really going to simplify: simulate this circuit – Schematic created using CircuitLab I have two questions about this setup: Why do I only measure 3V volts across the ...
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3answers
127 views

What's happening to my stepper motor at high RPM?

I am trying to get high RPM output from my stepper motor, but no matter what I try I can't get it to spin more than 65,000 steps/sec. I have tried many combinations of settings, drivers, power supply, ...
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29 views

NEMA17 stepper motor controls according to sensor readings

So im currently trying to use a NEMA17 stepper motor with a A4988 driver. My objective is to control the speed and position of my motor according to sensor readings to position a contraption towards a ...
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1answer
76 views

Why are my motors not getting enough power?

I am a newbie electrical engineering hobbyist who is trying to get four 28BYJ-48 stepper motors to turn for a split flap display project. I managed to get each motor working perfectly well ...
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1answer
70 views

How do I control this stepper motor?

I bought a contraption from aliexpress which included a stepper motor, and I can't figure out how to control it. The documentation is very poor (and chinese) so this is a puzzle question, maybe some ...
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46 views

Is it ok to have two stepper motors right next to each other?

Would there be any issues having two nema 23 stepper motors laying right next to each other, facing opposite ways (see image)? 48v, 4amps.
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119 views

Designing Stepper Motor Drive logic in PLD?

I am doing a project which requires us to design logic in Stepper Motor Drive in SubPLD using Multisim. I designed the logic but it is not following the table below In the question, two design are ...
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Building a stepper in Logisim - Cannot find the error

I try to build a stepper based on a book. I have been looking for the error for hours now, but still could not find it. Maybe you can help me with this issue? This is my stepper: This is a working ...
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1answer
64 views

Stepper Motor Calculation

I'm using this Stepper Motor from TI. This is the first time I am working with Stepper Motor. I need to calculate the load current or the current that the Motor takes. The Stepper is rated at 0.6A/...
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1answer
49 views

If I supply more current than needed will my electronics fry [duplicate]

If I have a stepper motor and driver that require 5V and 240mA and I supply 5V at 3A will my circuitry die? I have heard the expression that a motor "draws" the current that is needs, but I ...
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47 views

Do I need a higher amperage power supply for more stepper motors

I have a very simple question: I am trying to power five 28BYJ-48 stepper motors attached to some ULN2003 driving boards but I am confused about the amperage I need. Each of the stepper motors needs ...
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1answer
53 views

Powering a NEMA 17 motor | Wattage Vs Voltage

I apologize if the question is silly as this is my first project involving stepper motors and I'm confused about power supply specifications. So I'm working on a project involving: 3 NEMA 17 Stepper ...
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1answer
79 views

Stepper motor failing - caused by PWM or else?

As suggested over at my original question at raspberrypi.stackexchange.com, I'm also posting my issue here, you'll find it verbatim at the bottom of this question. Because this is an electrical ...
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3answers
43 views

Multiple Big Stepper Motors on Raspberry Pi

I am fairly new to the world of stepper motors, drivers and RPis, so I might have some potentially naive questions. Firstly, I am using two NEMA 34 stepper motors and planning to connect them with ...
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2answers
154 views

Driving step motors using microstep drivers with teensy 4

I am trying to drive two stepper motors NEMA23 with two DM542 microstep driver (one for each) and a Teensy 4.1 as controller: http://tinel.com/uploads/DM542.pdf Please find datasheet of DM542 here: ...
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2answers
78 views

How do Arduino-based 3D-printers control several stepper motors at the same time?

I have been using an Arduino to control a stepper motor using an A4988 stepper driver. The driver requires the direction and step signal to move the motor. The most straightforward method is to use a ...
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1answer
53 views

Nema 17 stepper external wiring

I've been trying to connect a 2+ meter wire to a nema 17 motor. Usually the motors I buy come with a 1m cable, which is too short for this application. The Nema17 needs a 4 wire connection. So I ...
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3answers
147 views

What is better for precision? Stepper motor VS DC Motor [closed]

I want to build a steer-by-wire system and I was wondering what is better for precision a stepper motor or a DC Motor to control the wheels of the car. I tend to want to use DC and make it a Servo in ...
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1answer
58 views

What kind of FPC is this, and what should I couple it with?

I'm working with these planetary geared micro stepper motors which come without a datasheet or any information from the sellers. I'm having a trouble figuring out how I should mate the FPC cable, can ...
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2answers
95 views

Understanding stepper motor voltage and torque relationship

The specs of this Stepper Motor say at a voltage of 3.36 V and phase current 2.1 A, the maximum holding torque is 65Ncm. I'm confused though as on the datasheet there is no voltage mentioned, only a ...
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1answer
52 views

Lens Aperture Motor - wiring

I'm trying to use an industrial camera lens that has two internal motors. One is for zoom, with DC voltage, reversible for direction. The other motor is for the shutter. It is presumably a stepper. ...
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2answers
310 views

What could be the reasons for a stepper motor stuttering with an A4988 driver?

I am using an A4988 Stepper Motor Driver, which is controlled with an STM32F767ZI on a Nucleo 144 board. The stepper motor takes 12 V with a maximum of 350 mA. When powered, the motor simply flickers ...
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1answer
43 views

Powering a stepper motor (on Arduino), what's too much and too little?

I'm an electronics noobie, just learning on an Arduino. I'm following some tuts online, and bought myself an arduino and a 28byj stepper motor. It's 5v DC. I power the arduino via a 9v battery or via ...
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1answer
31 views

Decay Modes - Stepper Motor related Query

I'm trying to understand something fundamental about Decay Modes.It is widely accepted on the internet that a slow decay mode shorts the Back-EMF of the motor and in essence stops the motor ...
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2answers
29 views

How to connect PCU to Stepper driver (NEMA 23)

I have bought a stepper motor, NEMA 23 (Bipolar, 4 wires, 23HS30-2804S-PG15) I also have PCU 350W 48V 7.3A 115/230V (S-350-48) I also have stepper driver (DM556T, Digital Stepper Driver 1.8~5.6A 20-...
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4answers
52 views

how to determin max current for an unknown stepper motor?

I have a box of stepper motors and I can't remember where I got them from, nor can I find the datasheet for them. They are named: 16HY0417N (or possible H instead ...
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1answer
90 views

Stepper motor driver TMC2209 is powered from microcontroller logic pins

I am doing my first steps with a TMC2209 V1.2 stepper motor driver and a NodeMCU. This is my circuit: I power the motor side via 12 V supply (12 V on the lower rails). In the circuit, this is ...
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3answers
88 views

Can I use a single AAA battery to power a motor?

Can I use a single AAA battery which has 1.5V and 700mAh to run a stepper motor which has operating voltage 3.1V and draws 1.2A/phase? If, yes then how many minutes will it run? Someone briefly ...
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38 views

visual studio gui to control stepper motor

I am using visual studio 2019 and wants to build gui to give commands like speed to control stepper motor through arduino. I am new to visual studio. can someone share code or can explain? Thanks
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Power Supply for Stepper Motor Stop Motion Camera Rig

Apologies in advance for this being a somewhat meandering question. I've read all the forums I can find on this and other sites but still feel I need a little direct assistance; if you feel this is ...
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1answer
73 views

Controling steppermotor with raspberry pi

For a school project, I need to control a stepper motor with a raspberry pi or Arduino. I was thinking about a NEMA 17 or NEMA 23 motor. I study mechanical engineering so I don't have much experience ...
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3answers
67 views

Creating a PCB - Electrical Schematic for AMIS 30543

I'm working on a project and I'm at the phase of combining the components into one PCB. Right now I'm stuck trying to understand some inconsistencies with a stepper motor drivers' documentation. The ...
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0answers
33 views

add 2 buttons to this sketch

Can anyone tell me how to add 2 button switches to this sketch (one forward and one reverse) for a second motor?` This code works great and I would like to just add the some button switches to pins 4 ...
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1answer
142 views

Stepper motor skipping steps until I lower voltage

I have four of KL23H2100-35-4B stepper motors on my 3-axis CNC (doubled up on the y-axis); these are 3.5A 4-wire bipolar stepper motors with a rated 2.8mH inductance. I am driving them with the ...
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1answer
60 views

Can Brushless DC Motor (BLDC) be used as Stepper Motor?

I have a BLDC motor and I am keen to know if there is a controller out there that can allow BLDC to be used as stepper motors with (holding torque and accuracy in step size) I know BLDC motors are ...
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1answer
33 views

Reduce the output current from a stepper driver

I have to control 2 stepper motors with a single driver (multiplexing one at a time) and both motors are different, one 1.7A and the other 0.4A, if I set the current to 1.7A the 0.4A motor can burn ...
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2answers
59 views

Which should I use? Stepper or DC motor?

I have a project where I have to sweep a windshield wiper about 90° at a rate of 150 sweeps/minute. (~3 sweeps/second) Since the sweep rate is high, I was thinking of using a stepper motor to get it ...
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0answers
21 views

How do I calculate power requirements for a bunch of DC and Steppers?

Where do I even get started? I'm so confused because all these articles are complicated for someone with no experience. Is there some sort of general rule you guys use for calculating power ...
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1answer
48 views

Can I run 2amp/1.76v stepper motor on drv8825 driver?

I do electronics for fun and need help understanding the principles when coupling stepper motors and drivers! I have this type of stepper motor: kh56km2u027 and a drv8825 stepper driver, and was ...
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37 views

Microcontroller Interfacing with Stepper Motor - Current Consumption

I have this MPC5606S Microcontroller which I have interfaced with this Sonceboz Bi polar Stepper Motor. The Microcontroller is powered up by 5V and 3.3V and the Stepper motor interface is connected to ...
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1answer
29 views

Multiple Trinamic TMC5130 drivers with stallguard2

I'm using two TMC5130 breakout boards with STM32F4 board. I control each with separate SPI channels, which works fine. I can get them to move, change settings, etc. StallGuard is used as sensorless ...
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2answers
82 views

Stepper motor causes voltage drop when running

I am a bit new to the electronics hobby so I am trying to understand what is going on with my circuit. I am using a pic microcontroller to control a stepper motor, an LCD and an RTC using USB to ...
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48 views

Stepper Motor sometimes working fine and other times not

I am experimenting with operating a Stepper Motor that is connected to a Magnetic Encoder. The Stepper Motor is also connected to a Motor Driver, which will be controlled by an STM32F4 microcontroller....
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1answer
96 views

TMC2130 does not work properly

Great title, I know. I have a driver board connected to a really small stepper motor. When I run it in step / dir mode it works. But as soon as I connect either SCLK or MOSI the motor turns at double ...
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2answers
51 views

Stepper Motor Drive

I am using a stepper motor of the following rating: Voltage : 3 -5V Current 2.5A/ phase. When two wires of the coil areconnected with a dc power supply at 5V and ground, the motor takes about 2.5A. I ...
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1answer
47 views

Need help understanding how motors, sensors and other components of a prototype design factor into certifications for industry sale [closed]

I have built a prototype and I now need to create a production prototype that I can use as my template for a small 10-15 product unit batch order. I am in the United States where I plan to market ...
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27 views

What are the most reliable pins for stepper driver (Enable Step Dir) for ESP32?

Uploading code to ESP32 cause noise on motor pins with undesired motor movement until upload started, Probably due Z state of pins. Some capacitor on ESP32 EN pin or pressing button on the ESP32 board ...

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