A kind of motor that moves in steps.

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22 views

selection of worm gear & stepper motor for solar tracking application [on hold]

I am looking for the step of calculation evolved in choosing proper worm gear for solar tracking application. I searched Google relevant method to calculate it. 1)what are step need to consider for ...
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1answer
37 views

motor movement as in and output

I am looking for a way to counteract an active servo or stepper motor. In more detail: I want to translate the movement of a controllable motor to a linear rod movement. This rod goes up and down ...
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46 views

Use an 800 ma stepper motor with a 500 ma uln2803

Is it possible for me to use this stepper with this IC? I am using the second schematic on this page. I do not want to use the transistors in series if I don't have to. Thanks.
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1answer
17 views

Stepper motor control using siemens s71200 plc [closed]

I am doing a project in which i want to run a conveyor belt using a stepper motor, through a siemens s71200 plc.Can anyone help me in doing so.
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0answers
31 views

How to get angle of movement and feedback in dc motor?

I am working on a project. I that project i need to turn the robot 90 degree exact left and right. Also i need feedback from the robot to monitor its actual position.I studied about encoders but ...
2
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1answer
57 views

What are stepper motors commonly used in? [closed]

I like finding motors and parts from recycled electronics and I want to find some stepper motors. What are these most often used in?
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2answers
78 views

How to connect a stepper motor with exactly 4 wires to Arduino?

simulate this circuit – Schematic created using CircuitLab Today I bought a stepper motor to play with, after 12 hours of struggling with it, I haven't been able to figure out how to ...
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1answer
52 views

Prevent stepper-motor heating in constant torque situation

I am using multiple stepper motors in an application where each motor is always resisting some torque, i.e. if I turn off the power to a motor, the applied torque will cause it to rotate and lose its ...
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1answer
68 views

Should I build my own parts for making PCB with eagle or is there a database somewhere?

I'm trying to build a custom PCB for a project I'm working on. I'm building a small robot that navigates using a color sensor and moves using two motors. For logic I'm using an Arduino Nano. My ...
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1answer
50 views

How to power Arduino, BeagleBone, and Stepper motors from a wall outlet? [closed]

I have a project that has an Arduino, BeagleBone Black, and a pair of stepper motors. The Arduino needs 9-12V and at least 250mA with a 2.1mm plug. The BeagleBone needs 5V and at least 1.2A with a ...
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0answers
16 views

microcontrolled 2 axis gimbal

I need to control a 1m2 panel with an Arduino such that the axis normal to it can be at a range +/- 45 degrees in both x and y directions. I am trying to do a search and found a few things - stepper ...
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0answers
67 views

Stepper motor turning only in one direction, stalling in opposite direction

Components in use for project: Arduino Mega --> StepStick --> 28BYJ-48 5V Stepper The stepper is 5V but I am using it at 8V since the A4988 driver requires a minimum motor voltage of 8V. It's a ...
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37 views

Brushless DC motor or stepper motor for specific application

The specific application is for moving (or traversing) a carriage up and down a lead screw. The lead screw is rotated by a motor. Here is a rough idea: - Since 1996 a stepper motor has been used ...
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0answers
37 views

What is the name/type of the connector on the 28byj-48 stepper motors?

These are very useful inexpensive motors however I haven't been able to identify what type of plug is on them to make custom driver boards. Here is a picture: Thanks Andy
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1answer
20 views

How do I design the maximum current curve for a stepper motor?

I want to drive a stepper motor (0.89V/5A) with the L6470H-controller. There I have to set different values for controlling the maximum voltage each for holding, running, speeding up and slowing down ...
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0answers
7 views

STEPPER MOTOR CONTROLLER Using LEONARDO PRO MICRO [migrated]

I want to Use LEONARDO PRO MICRO and A4988 Stepper Motor DRIVER to control Nema 17 Stepper Motor. Please let me know how to hookup these together. Please give me a circuit for this type of ...
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0answers
17 views

How to detect thermal shutdown of a stepper-motor controller IC?

I am using an A4983 (www.allegromicro.com/~/Media/Files/Datasheets/A4983-Datasheet.ashx) for controlling a stepper motor. Unfortunately this controller does not have an output for signalising me that ...
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1answer
104 views

Switching power to Stepper Motor Drive using relay and arduino

1.This project involves use of stepper motor once in 5 mins to perform precise movement.I m driving the Stepper using L298N-L297 Stepper Motor Driver Board and Arduino UNO. Since the Stepper Motor ...
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2answers
81 views

test steper motor without microcontroller

i'm very new for microcontrollers as well as step motors .i have a idea to make a cnc based pen .so i get a step motor with uln2003 stepper motor driver.but i have ...
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1answer
42 views

Problems understanding stepper motor data

I have a stepper motor (M061-CE08) here, and I am a bit disturbed: The manual tells me that it has eight connections, and winding specifications for bipolar parallel connection are 0.89V and 5.4 ...
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2answers
76 views

Correct circuit element alternative to transistors

First please see my proteus file to understand what am I trying to do. http://www.docdroid.net/ru27/yenitasarim.pdf.html As you see, there is 5 button groups vertical and 5 button groups horizontal. ...
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2answers
81 views

Does frequency equal the number of steps a stepper motor will do?

http://www.thorlabs.us/thorcat/ETN/ZFS13B-Manual.pdf I am supplying a driving PWM signal to this stepper motor. However, I want to specify exactly how many steps to take with this motor. Does the ...
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1answer
33 views

Can a linear motor output multiple and precise linear forces?

I am trying to identify a motor-driven system that can produce a constant linear force in one direction. The context for this is an injection device that compresses the plunger of a syringe ...
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2answers
97 views

How to reduce the amplitude of my PWM signal?

I'm using a PWM control signal that ranges from 0-24V to drive a stepper motor. However, the datasheet in the driver says it should range 0-5V. How can I bring down the amplitude of my PWM control ...
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1answer
72 views

Power Supply For CNC Setup

I can't quite wrap my head around the power requirements for a CNC setup i'm building. I'm using 3 x Easydriver 4.4 for driving the Sparkfun Stepper Motors. I previously used a 22 V 800ma Power ...
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2answers
56 views

Using transistors to minimize the number of Arduino pins used for this stepper motor driver

Alright, I know very little about what I am currently asking about, but here is the gist of it: I want to build a cnc machine out of some old floppy drives. I purchased a couple L293D dual H-bridge ...
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1answer
152 views

Import alternative stepper motor in my fritzing sketch

I have a question, which is on the usage of Fritzing. I'm trying to sketch up a robot I have made. I want make a proper sketch, which I can send to a manufacture. I found a stepper motor used in this ...
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1answer
335 views

How to determine the rotation direction, rotation angle and rotation speed of a stepper motor and a servo motor

During one of my lab session I faced this problem and couldn't find any good answer. As far as I know for a stepper, Reversing the direction of current will change the direction of rotation. ...
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0answers
32 views

Gecko GM215 stepper motor drivers LED output

I just purchased a new GM215 stepper motor driver from Gecko. I am using it to drive my NEMA23 3A motor with 36V. The driver has a 80V limit. My device worked the first day, very nicely, but the ...
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1answer
47 views

Can I use 7.2v lipoly for 12v stepper motors?

I planned to buy 2 stepper motors for small toy car. What I can find from aliexpress are mostly 12v products. I have lipo batteries already and they are 7.2v and 5400mA. Can I use this for 12v ...
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0answers
48 views

Current spikes when driving stepper motors

I am trying to figure out appropriate values for a timeout mechanism provided by the DRV8811 stepper motor driver. While doing my research I came across a website that conveniently has a write-up ...
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2answers
202 views

Make hard drive stepper motor run 7200 rpm

I have an old hard drive (7200 rpm) motor like this: I'm trying to make it run as fast as possible and I start with this code (arduino uno): ...
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1answer
56 views

Stepper motor current specifications - 12V/350mA, but draws more at lower speeds?

I have on hand a simple 12V/350mA stepper motor the datasheet is lacking, so I can only assume 12V is the maximum sustained voltage and 350mA is again, the maximum associated current. The datasheet ...
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2answers
36 views

CNC stepper motor driving CC vs CV

I am trying to design a small CNC maching for milling PCBs. I am using unipolar stepper motors driven by a microcontroller, but I am unsure of what tehnique to use to drive them. I once read that ...
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1answer
35 views

damage stepper motor energized

General stepper motor question: Is it safe to manually turn a stepper motor that is energized (holding at a fixed position)? Or could it damage the motor in some way? I'm working on an old stage ...
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3answers
89 views

stepper motor driver constant current under load, motor driver powering off losing brake effect

I am building a CNC-like machine using a microcontroller and 'FMD2740A Microstep Driver' modules to drive the stepper motors. My problem is the vertical axis where, despite a counterweight, there is ...
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0answers
64 views

PWM Chopping current and Decay Modes of motor drivers

This is my first experience with driving stepper motors, so please bear with me. I was looking again through the datasheet of the stepper driver DRV8811 and came across calculations that needed to be ...
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1answer
49 views

What is the “Home” feature of the Stepper Motor Driver IC (DRV8811)?

While doing research on efficient methods for driving stepper motors I came across the Texas Instrument IC DRV8811. This particular device has a Home feature that is explained very little. The ...
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1answer
61 views

Stepper Motor current rating and microstepping

I am working with stepper for first time and want some suggestions. Motor runs smooth but the problem is it gets hot after a few seconds. reason may be that i am giving it a bit higher than the rated ...
-1
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1answer
63 views

Dead-reckoning vs feedback for motor position control of turntable

I am constructing a small turntable that holds a plastic cup and should be controlled to stop at one of eight positions. (Where it will receive a shot of liquid; think "Auto-cocktails"). I'm wondering ...
1
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1answer
52 views

V-I curve for Stepper Motor

I am new to stepper and want to know how velocity-current graphs are plotted for stepper motor. Is the speed graph plotted against the overall current drawn by the motor or it's single winding ...
0
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1answer
85 views

What is the maximum current at which I can drive my stepper motor?

I am using Oriental's PK-243-03A stepper motor in bipolar series configuration. The rated current of the motor is 0.31A/phase according to its datasheet. My question is if I am supplying it with 12V, ...
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2answers
118 views

How to measure stepper motor current?

I am using Oriental's PK-243-03A stepper motor in bipolar series configuration. The driver I am using is TI's DRV8825. I want to measure my motor's current in order to plot a Speed - Current graph. I ...
0
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1answer
36 views

Turn Stepper Motor Off when Idle

I was wondering if there is a way to cut power to my stepper motor when it is not in use. I dont particularlily need it to hold its position because in my setup it doesnt really need to torque agaisnt ...
0
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1answer
117 views

Measuring inductance and ESR of a motor using LCR meter

I am building a circuit, where a MCU will drive an unipolar stepper motor through MOSFETs and constant current source (not included in the schematic). simulate this circuit – Schematic ...
0
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1answer
44 views

Step size for controlling stepper motor

I am using a PK243 - 03A unipolar stepper motor, its step angle is 1.8 degrees. I am planning to step the motor periodically on it's starting frequency which is coming out to be 1.3kHz, to see how it ...
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2answers
96 views

Why does stepper motor not turn properly at different frequencies?

I have an 8 wire stepper motor and an unipolar motor driver. I wired the motor as unipolar connection. On motor 3.15V and 4.2A is written. My connection is above. When I connect V to 24V 14A source ...
6
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2answers
404 views

Why do we need a ramp for stepper motor?

I am a newbie and trying to understand how i can run a stepper motor. The concept i had in mind was that steppers need digital pulses to run, and i tried it out too. I was able to run the stepper i am ...
3
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2answers
72 views

Driving a stepper motor to a set force

I am trying to drive a Linear Actuator (stepper motor with a lead screw) to drive until a force of 15 pounds is reached then stop. I am having trouble finding a good method to do this (I am new to ...
-1
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1answer
133 views