Questions tagged [stepper-driver]

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Can't drive stepper motor (42BYG) with a Raspberry Pi

The end goal is to make a chess board that moves the pieces by itself with help of a plotter. We already got most of the software. We only need to make the plotter work but we are having trouble with ...
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Can I control a TMC2300 with ONLY the UART interface?

I'm trying to design a board to drive some small stepper motors. They each take a phase current of about 180 mA. I want to try the TMC2300. In the datasheet it says it is controled by either the dir/...
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DM542 driving Nema17 controlled by a Teensy 4.1, random stepper stalls

I am trying to drive 4 Nema17 stepper motors using 4 DM542 drivers, controlling them using a teensy4.1. The step and direction signal is level shifted to 5V, the DM542 are powered using a separate 48V ...
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How to translate a connection (Step Motor Driver)?

I am following this connection to get a driver to an Arduino and a step motor. The original connection is this: Green wire --> Step Blue wire --> DIR Red wire --> +5V My driver, However, has ...
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Can't power DM542 stepper motor driver with "Drok" power supply vs. Keysight at the same voltage

I am trying to use a Drok power supply with a DM542. I am using 15V to to drive the DM542. For the Keysight U8031A, it works (the green light turns on.) For the Drok, I bought the 10A version, and ...
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1 answer
88 views

Maximum speed Nema-34 stepper motor can handle

I've got used 34HS8801 NEMA34 stepper motor which I am experimenting with. Unfortunately, dtasheet doesn't provide driving voltage, nor does it provide maximum RPMs. Now, I would like to see how fast ...
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Can I power an external stepper motor driver while stepper motor is disconnected from driver?

I am building a laser cutter and I am using external stepper drivers to power stepper motors. I have a driver for an optional stepper motor for a rotary attachment. I would only disconnect or ...
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Is a cooling fan on my Nema34 driver necessary?

I'm driving my Nema34 with a 3-phase driver seen below. It has a small cooling fan which produces unnecessary noise. The driver also has a heat sink across all front cover (on which the fan is ...
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Newbie: A 4-wire stepper motor whose colors don't correspond to those from driver. How to wire?

I have a 4-wire stepper motor (https://www.researchgate.net/figure/NEMA17-Stepper-motor-data-sheet_fig9_313427253). I know by testing that the A,A' circuit is [green, red] and the B,B' circuit is [...
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Stepper Motor Driver Current Regulation: Lead Acid Batteries

I'm controlling two NEMA 34 6A stepper motors through HSS86 stepper motor drivers. The drivers take AC and DC, between 20 and 80v. I'm using them to control a golf cart via remote control, and I ...
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How to ameliorate over-current from stepper motors' back EMF?

I tried changing up the power supply. I tried 15 V, and one with a higher current rating (8 A). Here is the datasheet of the I have been mainly using: EPP-200 24 (volts). There are two stepper motors ...
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Power supply to an A4988 driver

I am starting to use the driver A4988, typically used for NEMA 17 motors and many others. As you may know, it has to separated VCC/GND pair of pins, one to supply the driver, the other for the motor ...
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94 views

Stepper motor has own encoder, can I connect encoder pins to microcontroller and see feedback?

I am using closed loop stepper motor with motor driver. Here is my driver CS-D808. I am using this with microcontroller. I want to stop this motor always certain location after 5 to 10 turns. I wrote ...
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TB6600 Overstepping

I've got a TB6600 stepper motor driver connected via a common cathode connection to an Arduino (Elegoo) Nano microcontroller (1/32 microsteps, 1.5A, unknown NEMA 17). I'm asking it to move a number of ...
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3 answers
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Stepper motors both rated for higher current but the NEMA 23 stops and the NEMA 17 keeps going, could it be a (hardware) low quality motor issue?

I am using the DRV8825 stepper motor driver. The NEMA 17 is rated for 1.2 A and the NEMA 23 I'm using says it's rated for 2A. I have two NEMA 23s and they both soon choke out (stop moving). When I was ...
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Significance of the pulse setting on stepper driver and performance

I have a stepper motor driver DM860D and I am using signals from an Arduino to control a NEMA 23 stepper motor. Can someone explain what the significance of the pulse/rev setting on the driver is, or ...
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253 views

Bipolar stepper motor spins very slowly and makes a loud noise

I got a custom PCB. I am using DRV8428P driver (here is the datasheet) for a stepper motor. The problem I am facing is not being able to have the stepper rotate ...
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Bipolar stepper motor doesn't spin but vibrates

I got a problem with controlling a bipolar stepper motor. It doesn't spin but vibrates. Here is the schematic of my stepper driver: DVDD supplies 5v DC. Here is the wiring map from the motor's ...
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TMC2130 Stepper Motor on Raspberry Pi. SPI issue?

For the last few days I've been struggling to get a NEMA17 (1.5 rated current) stepper motor to function with TMC2120 driver (vref = 1.0) and I'm all out of options now to try, so I'm here looking for ...
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Torque half step/full step in stepper motor

At an exam, I was asked the following question: A stepper motor has the greatest torque on its shaft in the 'halfstep/full step'. Everywhere on the internet it says that full step gives the most ...
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2 answers
469 views

Purpose of PWM in a stepper motor driver

I was looking into the operation of a certain stepper motor driver, and probed the phase lines to see how they looked. As expected, I found that there were two 50% duty cycle signals with a 90 degree ...
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For the DVR8825 IC chip (not the carrier/module), nSleep and nReset need to be HIGH, why does connecting them to the IC's 3.3V out not work?

A breadboard prototype was made using the DVR8825 carrier/module: A microcontroller's HIGH was connected to nReset and nSleep. Now a prototype was made using the IC/chip. It's 3.3V output was ...
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Replacing a single dual shaft stepper motor with 2 stepper motors

I have a stepper motor that is 42x42x60mm (width, length, height) and has a shaft in the front and back of the motor. This thing has finally given out and won't rotate even when powered down. But I ...
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Closed Loop Stepper Motor/Driver

I have been tasked with building a motion control demo box. The controller MUST include an Omron Delta Tau Power PMAC (CK3W-AX1515P). I can be flexible with the other components (motors, drivers, etc.)...
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225 views

Why do stepper motors draw less current at higher speeds?

I have an A4988 and a NEMA17, when I set the current limit to 1.5 A and the motor runs at a low speed of 0.2 RPS I measure the current and effectively it draws 1.5 A. Now when I run the motor with the ...
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1 vote
2 answers
92 views

What voltage does a stepper motor need to be run at for optimal torque?

Take this motor for example. It is rated for 24-48V, 4.2A/phase, 0.9 ohm coils, and 3 Nm holding torque. Using a motor driver like this, what is the ideal voltage to run the motor at to achieve the ...
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40 views

How to set holding torque in 3 phase stepper motor drivers?

I have no previous experience with stepper motors. I want to use such a 3-phase driver in a 3-phase open loop stepper motor. I looked at the datasheet here, but I couldn't see any information about ...
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1 answer
479 views

Calculate the correct current limit for driver A4988

Im using the driver A4988 together with stepper 28byj-48. Ive read somewhere that the correct current limit on 28byj-48 is somewhere between 0.1-0.15 v. However if I feed it with 12 v there is a high ...
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5 answers
411 views

BLDC vs Stepper motor

How is a BLDC motor fundamentally different from a stepper motor? They both operate in the same way where you manually energize coils to force the rotor to turn. Is there a reason you couldn't do ...
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2 answers
160 views

Rotary encoder connected to stepper driver

I want to control the speed of a stepper motor using a rotary encoder (OMRON E6B2 series) conected to one of the PUL terminals of a DM556S stepper driver. ¿Is that possible? ¿Which encoder type would ...
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30 views

Raspberry Pi motor hat not a 1 to 1 with stepper driver?

Just a general question that someone hopefully can answer. I've been working on getting a large stepper motor setup with a Raspberry Pi, so I went for a DM556T stepper driver. I've gotten the smaller ...
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1 answer
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How to achieve high speed microstepping?

I used an Arduino Uno with A4988 driver with 1/16 microstepping and tried to achive the highest speed possible. Using AccelStepper library ...
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2 votes
3 answers
79 views

DC Stepper Motor vs DC Gearmotor

We are trying to come up with a way to turn an auger type shaft as slowly as possible to continuously dispense a very small amount of particulates (~ 5 grams per minute). Would a DC gearmotor with a ...
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Stepper Motor Driver (2CM560) ERR ports

I have a Kinco 2CM560 stepper motor driver. There are 2 ports on this driver named "ERR+" and "ERR-" that I can't figure out fully what is their functionality! why we need this ...
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6 votes
2 answers
2k views

FPGA to control NEMA stepper motor

Is it possible to control a NEMA Stepper motor directly from an FPGA without a separate Motor Driver Circuit? I have the following setup: TinyFPGA BX (https://tinyfpga.com) NEMA 17HS4401 (https://...
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1 vote
1 answer
156 views

Korad Power Supply Flashing and Clicking: Both CC and CV

I'm testing a stepper motor (NEMA 34, variable 30-100v, 6 amp stall current). I'm using a variable DC power supply (Korad KD3005D, up to 30v, 5A) to power it. When I supply power to the motor (...
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1 answer
74 views

Stepper motor ratchetting behavior causes?

DRV8825 Stepper Motor Driver Carrier, High Current Arduino Uno microcontroller Voltage regulator: LM2936MP (12 V in, 5 V out for Arduino) Power supply: S-240-24V 240w The fault' pin (18) was checked. ...
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1 answer
63 views

Stepper motor control

I need some professional advice about driving stepper motors. Let's say for example I need to control multiple stepper motors (5 or so) in a machine/device that are located further away (max 1 meter). ...
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2 votes
1 answer
104 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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2 answers
179 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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1 vote
1 answer
2k 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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1 answer
140 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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2 answers
205 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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1 vote
2 answers
322 views

Fake microstepping in A4899 and LV8729 stepper-drivers?

I built a test jig to experiment with a friend's 16-pin A4988 stepper driver, and even added bi-directional LEDs to the outputs and, regular LEDs to the inputs, to see if it behaved as expected. By ...
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1 vote
1 answer
215 views

DRV8825 Stepper Driver Burning Up

I am trying to wire up 3 NEMA 23 Steppers driven by 3 DRV8825 drivers and an Arduino Due. I tried to solder a perfboard prototype, but when I turned it on the first board burned and the ground jumper (...
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2 votes
2 answers
1k 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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2 votes
1 answer
86 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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1 answer
495 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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43 views

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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2 votes
0 answers
39 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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