Questions tagged [stepper-motor]
A kind of motor that moves in steps.
687 questions
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3answers
34 views
Driving stepper motor with H-Bridge, how many Volts?
I know that stepper motors are usually driven with current-limiting chopper drivers and hence the applied voltage doesn't really matter (or does it?) and that's why specs of stepper motors don't state ...
1
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0answers
15 views
Can I use the transfer function of a servo DC motor as a close approximation to the transfer function of a stepper motor?
I have been trying (just spent many hours on this) to find/calculate/derive the transfer function of a hybrid stepper motor. I don't need an exact transfer function (the electrical and mechanical ...
0
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0answers
15 views
What is T_e in stepper motor equation?
The description for T_e is missing on this page.
Source: https://se.mathworks.com/help/physmod/sps/ref/steppermotor.html
0
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2answers
48 views
Arduino Laser Engraver cd drive - what do i connect where?
I am a beginner in the world of circuit boards and electronics, and this is my first real project. I am making a DIY laser engraver, following the instructions in this instructable.
Here is the ...
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1answer
41 views
how can use arduino to control a 24 V stepper motor? [on hold]
Using an Arduino, I'm trying to control a bipolar stepper motor with the following specifications:
What strategies are likely to be successful to get the motor to turn and how could I go about ...
-1
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1answer
58 views
Power supply module is being powered by the arduino [on hold]
simulate this circuit – Schematic created using CircuitLab
i started a project to try and pilot a 28BYJ-48 5v stepper motor with its ULN2003 board from an arduino Nano, along with some LEDs and ...
8
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1answer
226 views
+100
Inferring back emf from oscilloscope
I have this stepper motor with unknown back EMF / RPM. There are 200 steps/rev (i.e. 1.8deg step angle), and 8mH "phase inductance", but I'm not sure if that's enough to calculate back EMF.
I hooked ...
0
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0answers
39 views
TMC2130 with Arduino UNO
I have the Bigtreetech tmc2130 and trying to get it running with an arduino UNO.
I have tried using the driver in my 3d printer and it works in SPI mode. I have tested the stepper motor driver with ...
0
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2answers
37 views
Voltage drop after writing to slave register with I2C protocol
I'm trying to control this bipolar stepper motor with an Adafruit Huzzah32 (ESP32) board and a stepper driver shield.
Power sources:
ESP32: 5V USB port
Shield: 4 AA-batteries in series
I ...
0
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0answers
19 views
How to reverse StepperMotor direction
Currently I am using Arduino UNO and using ULN2003 Stepper Motor Driver. I am using a fingerprint scanner and if the scan matches the stepper motor will first move in clockwise direction and then the ...
0
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0answers
39 views
Trinamic TMC2130 Stallguard is not working
I am trying to control a 17HS3401S stepper motor using an ESP8266 and a Trinamic TMC2130.
The TMC2130 is on a clone (BIGTREETECH) SilentStepStick board.
The stepper motor part of a leadscrew-based ...
1
vote
1answer
29 views
How to find stepper motor's rated current to set current limit?
I am trying to set the current limit on a NEMA 17 stepper motor. I found a tutorial but it's asking about the current rating. From my stepper motor datasheet, the only information related to current ...
1
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2answers
51 views
Stepper motor controlled by turning only in one direction and stalling in opposite direction
I am controlling a high-torque stepper motor (23Y204S from Anaheim Automation with 8 lead-wire) using a microstepping driver (MBC15081) and Arduino.
The winding wiring is connected as bipolar series ...
0
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1answer
22 views
Stepper motor phase current driving confusion
So, I was studying a bit about driving current for Hybrid stepper motors and was faced with some ambiguity related to the Full Step excitation.
In this reference, https://www.researchgate.net/...
0
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1answer
33 views
Can I apply 12V intermittently to a 5V 28BYJ stepper motor?
As the title suggests, am I able to apply 12V to each winding of the 28BYJ (5V version) to increase the torque?
I understand that it's not ideal as it will overheat, but it won't be running non-stop. ...
0
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1answer
89 views
Can a stepper motor flyback diode discharge a coil when connected in serial to the coil and opposite to the current?
On a circuit taken from this page http://www.opend.co.za/tutorials/steptut1.htm
The last circuit shows two diodes positioned in reverse polarity to the current.
It is supposed to protect against the ...
0
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2answers
98 views
What kind of magic is energizing the coils in this simple stepper motor driver?
Looking at this web page, i found a simple stepper motor driver circuit
https://www.electronicshub.org/stepper-motor-driver-circuit/
The problem is, i just can't understand how it can work when the ...
0
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0answers
33 views
How can I use an L298N driver with a 3.3v stepper motor?
so I'm starting to delve into stepper motors with arduino for a project I'm working on, which is proving interesting so far, with me first getting a motor far too small, and then also finding out that ...
0
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0answers
38 views
Is there risk to using magnets on an enclosure that would have 1-2A wire assemblies leaving the enclosure
Would there be a reasonable risk to using magnets to close a large enclosure panel which has 3 motor drivers with wire assemblies that leave the enclosure to drive stepper motors?
The motor drivers ...
1
vote
2answers
104 views
Why are stepper motor phase currents a sinusoildal waveform?
I don't know if this is a really dumb question or not, but I've seen all kinds of torque, peak-current and RMS discussions related to current drive output for stepper motors. I acknowledge that for a ...
0
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4answers
43 views
How do you drive a variable reluctance stepper/SRM as a generator?
I think I understand the principles, even if not the details, of operating a VR/SRM as a motor. But I don't understand, and can't find any good explanation online of, the principles for how to use one ...
0
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2answers
68 views
Microstepping stepper motors
Good day, I am investigating the effects of varying stepping angles of a stepper motor on its power consumption. How does microstepping affect the power draw of stepper motors?
0
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1answer
69 views
Stepper Motors (NEMA-17) Won't Run When Wheels Are Attached
My team and I are creating a robot using 4 stepper motors with mecanum wheels and an Arduino Uno. The code appears to be correct, and the motors seem to run just fine on their own, but once we screw ...
0
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1answer
74 views
Using laser engraving for date stamping [closed]
This is my very first big project. I have to build a laser engraving machine for date stamping. I'm using Arduino Uno microcontroller and a CNC shield with GRBL control.
Being fairly new to G-code, I ...
0
votes
1answer
66 views
CNC Shield V3 and step motor controls
I'm trying to build a laser engraver/cnc router with Arduino Uno, CNC Shield v3, A4988 step motor drivers. I'm newbie about electronics and Arduino so sorry if I'm asking non-sense things.
I've ...
0
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0answers
48 views
stepper motor driver heats up
I have this motor driver design set up on a breadboard for a bipolar stepper motor. I was able to drive the motor forwards and backwards for about 5 minutes. I realized that two of the P mosfets were ...
2
votes
1answer
37 views
Single Arduino I/O pin driving multiple DVR8834 stepper driver boards
I working on a project that uses 6 NEMA 8 stepper motors very similar to This One, each stepper will be driven by a DVR8834 and the STEP/DIR logic supplied by a ATmega328P which has a VCC = 2.7V to 5....
0
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0answers
43 views
What model of stepper motor is this?
I am salvaging a stepper motor I found however I don't know what model it is. I tried google the number at the bottom of the motor, but nothing came out.
0
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1answer
81 views
Sequentially driving multiple stepper motors with 1 driver and 1 controller
I am trying to control multiple stepper motors sequentially (only one at a time) with one controller, one driver a multiplexer and a dedicated "relay" circuit (shown in red). The idea is instead of ...
0
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0answers
48 views
GM12-15BY-100 Stepper motor damaged,what caused it?
I have a dc stepper motor, GM12-15BYC:
2-phase,
unload typical current = 150mA,
Pull-out rate:800Hz,
Pull-out torque:120
I am using the driver DRV8834 to control it.
The configuration of the ...
0
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0answers
30 views
Circuit with DRV8825 and PCF8574 not working! Will it be a problem with the components itself?
I'm developing a circuit using a PCF8574 and a DRV8825 to control a step motor.
The PCF8574 is used to control the reset, enable, sleep, modes and read the FAULT line of the DRV8825 using only the two ...
0
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0answers
97 views
Why cant I get clear wave?
I'm trying to find a good stepper driver with low vibrations and low noise. So, I observed wave form between current sensing resistor of few stepper driver using my oscilloscope.
The voltage between ...
0
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0answers
38 views
Matching Stepper Motor Driver with Power Supply
I recently purchased a nema 34 stepper motor and a DQ860MA stepper driver to use in a CNC router.
I'm looking at purchasing a power supply, but I'm a little confused about the driver specs. The driver ...
0
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2answers
37 views
Using a 10V stepper motor with a 12V controller board
What should I do when using a 10V .5A NEMA14 stepper motor with this board: https://reprap.org/wiki/MiniRambo (beyond setting proper current limits in firmware)? If I understand it correctly, the ...
1
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0answers
58 views
24V, 3 Phase BDCM Controller Schematic
This may seem like a dumb question, but does anyone have a schematic for a BDCM controller. All I seem to be able to find are partial schematics or schematics that include a micro controller. My ...
0
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1answer
50 views
How do I add a bipolar stepper motor to this circuit? [closed]
I have just started electronics at school and cannot find any tutorials on how to do this. I am creating a circuit that when the light intensity increases a bipolar stepper motor will step clockwise ...
2
votes
2answers
65 views
Is it a good idea to use the motor voltage as a source for a logic regulated voltage?
I'm creating a circuit for controlling a NEMA17 step motor with 1.7A per phase. This motor will be driven with +12V. The logic part of the circuit will use +5V though.
At the beginning, I was ...
0
votes
2answers
286 views
How to reverse direction of stepper motor with flip-flop
I am trying to reverse the direction of a stepper motor. The stepper motor drives a scanner head and when it gets to the end, I want it to reverse direction. I have some photo interrupters that ...
0
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1answer
67 views
Stepper motor close to PCB/MCU/ADC
and I apologize if the question is repeated. I tried to search around, but by my keywords main answers are about control of stepper motor with MCU and this is not my problem.
In my design I want to ...
0
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1answer
83 views
H bridge design for bipolar motor
I'm working on a dual H bridge for a bipolar stepper motor. I found these two designs. I would like to know which design would you guys recommend and why? and if there is any component that might be ...
0
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0answers
36 views
0
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1answer
69 views
Building a water jet cutter using Arduino, CNC shield and GRBL firmware
I am building a water jet cutter using Arduino Uno and CNC shield for control.
The CNC shield uses A4988 drivers to control the stepper motors. I uploaded the GRBL (for this shield) firmware to ...
0
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1answer
49 views
Understanding the Design of Common ULN2803a Motor Driverboards (use of the capacitor in particular)
I'm studying a popular motor driver board based on the ULN2803a Darlington Array chip (top and bottom pictured below).
A capacitor is between the common diode/flyback trace and GND.
Does the ...
0
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1answer
92 views
Using Micrologix 1400 (1766-L32BXB) FET outputs to control frequency input to ST-M5045
There is a minimum current requirement in order to use the FET pins on the Micrologix controller of 21mA, and the output voltage of the pins are 24V. The ST-M5045 stepper driver data sheet says in ...
0
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1answer
31 views
Need to synchronize stepper motors
am using two A4988 drivers to control two NEMA 17 stepper motors with 1.8 degree full step resolution on Rpi 2b. I am using them as wheels. The motors are initially given ramp signal using PGPIO ...
0
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0answers
210 views
damping ringing in stepper motor phase current
I am modifying a stepper motor control circuit that uses Allegro A3959SLB PWM motor drivers. The purpose of the modification is to drive a more robust stepper at its rated 2A rms current, driven by a ...
0
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1answer
47 views
Finding geared stepper motor speed
I was trying to find the stepper motor speed and the datasheet shows that it has a gear ratio of 10(the data circled with red). I assume this means that the stepper motor has an attached gear head. My ...
-1
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1answer
61 views
How does G-code determine what pins I used to set CNC motors at? [closed]
I want to develop a simple C# application to control a self-made CNC machine using Arduino Uno. I want to use G-code to accomplish that. Now what I don't understand is how G-code is interpreted in ...
0
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0answers
54 views
chances of A4988 motor driver creating back current through the STEP and DIR pins
I am trying to drive 2 stepper motors using A4988 motordrivers and I am using the following circuit diagram as shown in the image
Only change from the above circuit diagram is that I have not ...
0
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1answer
65 views
Stepper motor - How to choose a driver
I want to know how can I choose stepper driver, once I have decided on the stepper motor that I wish to use.
This is how I understand it: If a motor can draw a current of say 0.5 amps and operates on ...
