Stepper Motor Controller


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I found this circuit in my files. I don't know where it came from, but it looks like I photocopied it from somewhere years ago. I have been told that it came from "The Robot Builder's Bonanza", by Gordan McComb. Anyway, I thought that it should be fairly useful, so I decided to post it here. The circuit is very simple and inexpensive. This is good thing because most commercial stepper motor controller ICs are quite expensive. This circuit is built from standard components and can easily be adapted to be controlled by a computer. If you use cheap surplus transistors and stepper motor, the price of the circuit can be kept to under $10.

Schematic

This is the schematic of the Stepper Motor Controller

Parts

Part
Total Qty.
Description
Substitutions
R1, R2 ,R3, R441K 1/4W Resistor
D1, D2, D3, D441N4002 Silicon Diode
Q1, Q2, Q3, Q44TIP31 NPN Transistor (See Notes)TIP41, 2N3055
U114070 CMOS XOR Integrated Circuit
U214027 CMOS Flip-Flop
S11SPDT Switch
MISC1Case, Board, Wire, Stepper Motor

Notes

  1. You should be able to substitute any standard (2N3055, etc.) power transistor for Q1-Q4.
  2. Every time the STEP line is pulsed, the motor moves one step.
  3. S1 changes the motors direction.

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Comments

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Deepack
Stepper Motor Controller
Monday, January 07, 2013 5:34:14 AM
I have checked the entire connection, but, I dont know why only 2 transistors are turning on, also no switching happens when i try to switch it. Any help regarding this would be highly appreaciated.
Min
Stepper Motor Controller
Monday, July 09, 2012 2:38:27 AM
Hello,guys. I think all of you will be interested in a new simple stepper driver IC, THB6064AH, which is more superior than TB6560AHQ. Many guys have tested it ,and have good comments.
anonymous
Stepper Motor Controller
Monday, June 18, 2012 2:25:51 PM
If you are finding it hard to complete your own designs there is a company called GPF Engineering that design low cost stepper drivers. Try the link "http://www.gpf-engineering.co.uk/"
Dave
Stepper Motor Controller
Friday, June 15, 2012 10:25:52 AM
I have always thought steppers were too complex, but tried this circuit, using "some" diodes and 4401 transistors, and some stepper motor I have had for years (had 6 wires, checked with a meter and it matched the type used in this circuit). Wired it up, and it just sat there - duh - I forgot to provide a clock. So I wired up a 555 at some low frequency, then used it as the clock. The motor took off running perfectly when I turned it on!! Thanks for sharing!
anonymous
Stepper Motor Controller
Tuesday, March 20, 2012 6:09:55 PM
i have symulated this circuit in multisim with the exact components and it does what the author says. according to the symulation first q4 high next q2 next q3 and last q1. only one at a time. to wire this to a 4 wire stepper you just need to connect the ouputs of the transistor of q3 and q4 together on 1 set and q1 and 2 on the other 2 leads i have to say a very simple but effective disign so thanx to the uploader
Bill
Stepper Motor Controller
Sunday, February 19, 2012 10:22:05 PM
I have also built the circuit and was having similar problems to others that have commented. two outputs go High while two stay low and they alternate. I believe this may be a bipolar stepper motor driver and not a unipolar driver even though it clearly shows a bipolar motor attached.
Jack W. Pulling
Stepper Motor Controller
Monday, December 19, 2011 2:03:33 PM
I have your circuit complted and in the debug stage. I have the or gate wired to the flip flop and the flip flop wired to leds. Problem is I have more then one led on at a time. And at each step it seems to be ramdom outputs. I have checked the circuit but I still feel I have a Problem. How should the flip respond to a pulse? Thanks Jack
Shane
Stepper Motor Controller
Monday, September 26, 2011 11:06:06 AM
This circuit is now in eagle with the PCB layout if anyone needs it. http://fuper.com/2011/09/25/pcb-files-for-stepper-driver/
Fred
Stepper Motor Controller
Monday, September 06, 2010 8:29:03 PM
I can't help but notice that in this circuit has the outputs Q1, Q2, Q3, and Q4. Looking at this schematic and probing the circuit the output in order is Q1, Q3, Q2, Q4. I'm having trouble getting my motor to work with this circuit and I did switch the outputs to the motors to match the output in order as follows: Motorwinding1-Wire1 to Q1 - Wire2 to positive - Wire3 to Q3 Motorwinding2-Wire1 to Q2 - Wire2 to positive - Wire3 to Q4 http://en.wikipedia.org/wiki/File:Drive.png - Look for full step drive Does switching these wires make a difference in the motors function? It did end up working after I switched these wires.
Paul
Stepper Motor Controller
Saturday, August 28, 2010 2:11:06 PM
Brilliant demonstration schematic for logic commutated motor driving. Now while everyone is pushing their motor drivers here I might as well throw mine into the ring. It is built with a Toshiba TB6560AHQ and costs about $10 or so to make depending on where you get your parts from. http://www.youtube.com/watch?v=cgbeyNNBZ68 Schematic: http://img695.imageshack.us/img695/5841/tb6560ahqa.png Board Art: http://img819.imageshack.us/img819/4452/tb6560ahqac.png
anonymous
Stepper Motor Controller
Wednesday, August 25, 2010 12:13:40 AM
Thank you for posting this circuit. The simplicity is beautiful, and it's exactly what I was looking for. I hope the "engineering students" posting previously for help were joking, because it would be sad if they were serious. If you don't know how a Flip-flop or an XOR works, look it up! If you don't know the difference between Unipolar and Bipolar motors, look it up! The guy has spoonfed us enough.
James Newton
Stepper Motor Controller
Thursday, August 19, 2010 2:07:53 PM
The controller on this page is a full step half phase controller only. For (much) better performance, consider a microstepping controller. A good, open source (schematic, code, instructions, etc...) example is the Linistepper. It has full power half step and up to 18th over stepping modes for smooth operation with less chance of a missed step under load. http://www.piclist.com/techref/io/stepper/linistep/index.htm
Lee
Stepper Motor Controller
Thursday, February 25, 2010 10:30:26 PM
What exactly the step mean?is it binary?HEX?
shonex
Stepper Motor Controller
Wednesday, December 16, 2009 2:56:24 AM
Perfectly working schematic. Think no one mentioned that controller works in full step - high torque mode.
anonymous
Stepper Motor Controller
Monday, October 19, 2009 6:06:33 AM
this is a very useful article about stepper motor. i just want to point out an italian tutorial about stepper motor: http://it.emcelettronica.com/motori-passo-passo-stepper-motor thank you!
alperen
Stepper Motor Controller
Sunday, October 18, 2009 2:47:24 PM
i dont understand all that commnets 'cause there's alot question but no answer ?_?. this circuit needs more explaination. i'm answering as i know, 1- this circuit can drive directly UNIPOLAR stepper but not BIPOLAR. 2- if you want to drive bipolar u need a "H bridge" circuit. and my question; how sould i wire the unipolar stepper to continuously, step by step move. ( when i wired it randomly it started to turn freakly)

(Editor's notes: As the comments form says, comments really aren't for asking questions. Try posting in the forum.)

anant
Stepper Motor Controller
Tuesday, April 21, 2009 4:06:31 AM
Hii i am using the inkjet printer stepper motor(12V and 0.9A) for controlling my robot. But recently my two motors are damaged. I am using Programmable Logic Controller(PLC) to control the this motor and giving the 12 V supply. is it because i give 2A current. Thanks in advance
Shurovik
Stepper Motor Controller
Friday, April 17, 2009 10:36:58 AM
Please, correct page name - this circuit is for unipolar stepper only. For bipolar stepper you will need H-bridge circuit.
abdul mughni
Stepper Motor Controller
Saturday, April 11, 2009 2:44:13 PM
can anyone plz tell me how to connect a 4-phase motor to the above circuit.that circuit is currently not working properly it is kind of dancing.Its funny but its true.plz reply fast with a wire configuration.Ineed to submit this project within 2 WEEKS time.The one who solves this problem will get my blessings.INSHA ALLAH!!!
Viscopj
Stepper Motor Controller
Wednesday, April 08, 2009 12:23:56 PM
Look at LSI's website url http://www.lsicsi.com/StepperDrivers.htm for a really inexpensive stepper motor controller LS7290.
chandru
Stepper Motor Controller
Thursday, April 02, 2009 10:34:25 PM
I have a stepper motor from sanyo denki (Made in Japan). Its Type number is 103H8582-8044, 1.5A, 0.72 degrees. It is having 5 wires(Blue, Black, Red, Yellow, and Orange). I dont know the sequence to run it continuously. All the poles are working but i am not able to get the continuous rotation. Please help me soon. I need to finish my final year project in1 week. please reply soon.
stephan
Stepper Motor Controller
Thursday, February 26, 2009 2:04:46 AM
Hi, kindly excuse me if this question Idiotic, can you please tell me the name of the stepper motor, so that i can get it and start doing this project. Moreover i have a HP Printer Stepper motor with 5 leads i dont know how to use that Stepper Motor in this project, can anyone please suggest me. Thanks
anonymous
Stepper Motor Controller
Monday, February 09, 2009 3:06:00 PM
Does anyone know how to use the serial or com ports to control two of these circuits? I think I can figure out the programming part but the physical connection is a challenge. I think you should be able to switch it off, go forward or backward using serial port... Anyone knows?
praveens
Stepper Motor Controller
Friday, February 06, 2009 2:36:36 AM
require of rotation of clock wise and anti clockwise direction
anonymous
Stepper Motor Controller
Wednesday, January 21, 2009 12:09:04 AM
I put one of these together and used 2N3055 transistors. The power transistors get _very_ hot. Do I need to change the resistor value when using these or something?
Dale
Stepper Motor Controller
Saturday, December 13, 2008 7:24:42 PM
Hello I looking for a vary simple stepper motor controller. I making a label despiser it will be dive by a stepper motor the motor will pull out the about 5" by just one push s/w and each time you hit the s/w the label will move out and stop every 5". the paper waste will be raped up by the stepper motor it came out of a old printer 4 wire can you help me out
Sam
Stepper Motor Controller
Monday, December 01, 2008 7:43:44 PM
If the CD-Rom motor has only three wires, then would it be a stepper motor? Just reading this page http://www.flyelectric.ukgateway.net/cdrom.htm here, it would seem as if they arent stepper motors. Try opening broken flatbed scanners, printers, of floppy drives for a stepper motor i think... but i dont have any experience with this
america
Stepper Motor Controller
Sunday, October 26, 2008 9:07:13 PM
Excuse me, im new at this(making my first motor). Can someone tell me if i can use this circuit to control the stepping motor at 3 different frequencies.
FFooccuuss
Stepper Motor Controller
Tuesday, September 16, 2008 11:10:50 PM
Thanks for posting this circuit! I was looking for a cheap, simple stepper driver and this is perfect for my needs. I just tried it on a breadboard and manually stepped through a couple of revolutions forward and back. All of the parts for four of these was less than $15 from digikey. Thanks again!
siddharth
Stepper Motor Controller
Sunday, September 14, 2008 1:21:29 AM
can anyone tell me how to connect the 5 wire of stepper motor ......i just couldn`t make out how to connect these wire to voltage supply......these are of diffrent colours......in which combination these are to be connected to power supply?
fuad
Stepper Motor Controller
Tuesday, August 26, 2008 9:19:59 AM
i have project to cotroll a gate in fluid flow by stepper motor,i want to know about which steeper motor is suitable for me .can any other suggetion give me please?
anonymous
Stepper Motor Controller
Saturday, August 16, 2008 5:27:40 PM
SOMEONE asked how it adjusts; looks to me like it's obvious, you have 2 + leads and 3 grounds! all you do is put in a couple of potentiometers to control what goes through the circuit.
anonymous
Stepper Motor Controller
Saturday, August 16, 2008 5:24:13 PM
useful for making rotation on toroid coil winding machine that can use a small bicycle wheel for example to put wire on to dispense inward to toroid.
anonymous
Stepper Motor Controller
Saturday, August 16, 2008 11:58:52 AM
I am need schematic for computer to make motor stepper have take regret to university class with final thesis. Please give me schematic parts layout and all of your time because I am lazy and can't do the research myself!!!
anonymous
Stepper Motor Controller
Monday, July 28, 2008 6:56:26 AM
awsome circuit...while building it jus be careful with the pin connections because there can be loss due to wrong soldering and JK f/f wont work properly...
Tom
Stepper Motor Controller
Tuesday, July 15, 2008 7:46:26 AM
Are there any components in the circuit that can be adjusted? in order to gain the output voltage, because I only got 0.37V but I need 1.7V output to get the desired torque of the stepper.
yasir
Stepper Motor Controller
Saturday, July 12, 2008 2:42:29 AM
hi, im new to this stuff . I have a cdrom motor with 3 input lines , im not sure how to connect the upper circuit to this . Can anyone help me in this case as the circuit shown here we have 4 outputs for motor. plz send me the connecting diagram if possible.
Sarsij Nayanam
Stepper Motor Controller
Tuesday, July 01, 2008 5:30:11 AM
Hi! I am building a rotating platform to support a mass of 2-3kgs based on a slow moving stepper motor (almost a degree per step), and I want it to rorate 360 degrees in 12hrs or lesser. What are the option I have. (Can you suggest the best stepper motor for this purpose and also the control circuitry for the same). Hope to hear from you all. Thanks & Regards Sarsij Nayanam (sarsij.nayanam@gmail.com)
anonymous
Stepper Motor Controller
Monday, June 02, 2008 3:30:20 PM
this is a cheap circuit but this not control the stepper on a optimized form. That not have current protection. then is very dangerous for the components
arry
Stepper Motor Controller
Thursday, May 29, 2008 6:57:11 AM
i want to control a stepper motor by PC through a parralel port and for this i need to the simplest interface circuit . the programs software which will be used are either turbo pascal or delphi
zemichael
Stepper Motor Controller
Friday, May 02, 2008 11:58:31 AM
I need help on my project that is in stepper motor and streight gears
anonymous
Stepper Motor Controller
Tuesday, April 29, 2008 11:24:39 AM
i want to control a stepper motor by PC through a parralel port and for this i need to the simplest interface circuit . the programs software which will be usefd are either turbo pascal or delphi
Sharky
Stepper Motor Controller
Tuesday, April 29, 2008 10:39:50 AM
Well I made this too, but it isn't working. I have the same problem as @Santiago
mwandi
Stepper Motor Controller
Friday, April 25, 2008 7:48:58 AM
Can the circuit be modified to drive a brushless dc motor?
anonymous
Stepper Motor Controller
Monday, April 14, 2008 7:55:10 PM
this looks great. probably the cheapest driver i have found. thank you will use on my next cnc project
Joni
Stepper Motor Controller
Wednesday, March 19, 2008 12:27:35 PM
To Santiago: I am not try this circuit yet, but it seems it work. You must know: This is for Stepper Motor, if you want to try, just touch the step to the ground/zero a few times (on-off-on-off-on-off ...) it should make the motor move. If the motor not move in one direction, try to switch the coil connection (A to C or perhaps to B). Have a nice try....
chinmay
Stepper Motor use for gear shift in a sequential gear box
Thursday, March 06, 2008 7:01:53 AM
Hi!!can a high torque stepper motor be used to control a sequential gear box?Can you please assist me in this?Thanks
Michael
Stepper Motor Controller
Friday, February 29, 2008 9:41:50 PM
I want to have the motor go 90degrees up and 90 down on each cycle of a switch, will this be difficult. Would this be able to be via remote?
Santiago
Stepper Motor Controller
Tuesday, February 19, 2008 8:48:47 PM
Hello, I built this circuit but it`s not working for me; when I switch on the power supply all the npn transistors get polarized and the stepper motor won't move, Can anybody help me? What am I doing wrong? thanks
Rod
Stepper Motor Controller
Tuesday, February 19, 2008 3:20:03 AM
Would this controller be able to operate a 5.25" disk drive reader motor to operate a model railway turntable. Cheers, Rod
sarrajoomanonymous
Stepper Motor Controller
Tuesday, February 05, 2008 5:00:44 AM
i want to know about the entire stepper motor driver
mark
Stepper Motor Controller
Wednesday, January 23, 2008 11:39:50 PM
hi, how can i control 103-770-6 sanyo denki stepper motor? it will be a big help for me if you reply... thanks a lot there...
anonymous
Stepper Motor Controller
Wednesday, January 23, 2008 6:18:32 PM
this circuit does not work you should remove it from this site

(Editor's notes: Circuit works fine.)

NITESH
Stepper Motor Controller
Friday, January 18, 2008 4:59:16 AM
we want a stepper motor which control which drive the voltage from A.C. main and supply to the plates to heat it through coil and this voltage is supplied to the ADC board in the low voltage form. So for this function we want a stepper motor of 140 equal steps and we want to know its specifications and also its driving circuit. If you can help us so pleaze send information about specifications and contro circuit. Thanks.
Cortez
Stepper Motor Controller
Thursday, January 10, 2008 2:29:08 AM
kindly help me make a schematic diagram and a code for stepper motor controller using micro c program..tnx!
Hazlan
Stepper Motor Controller
Tuesday, January 08, 2008 8:48:26 PM
Actually same as dudegong, can any one provide me the codes of stepper motor control through both parallel ports and USB ports using C++ and Visual Basic if possible. Cheers, http://stepper-motor.blogspot.com
amy
Stepper Motor Controller
Saturday, December 29, 2007 2:09:51 AM
hi! i just wanted to know how a stepper motor can be made to behave like a PMDC motor!
hickoryridge-cnc.com
Stepper Motor Controller
Friday, December 28, 2007 7:09:13 AM
for the last posting plzzzzzzzz I'm guessing that you want to be able to use your computer tp power the stepper. Desktop works fine, make sure if you try to use your laptop that you have min 5v +/- on your printer port. Otherwise the program will run but stepper wont move. Ask away Rick
satheesh anthony
Stepper Motor Controller
Wednesday, December 26, 2007 11:27:26 AM
it is possible on pc. i want clear idea on that one.
anonymous
Stepper Motor Controller
Sunday, December 16, 2007 4:39:42 PM
Hi , can any one provid me the codes of stepper moter to control speed and directions to porgramme the PIC 16F84A using assembly languag. Thank you.
Richard
Stepper Motor Controller
Wednesday, December 12, 2007 7:20:47 PM
Hi this is the answer to a need for a simple, cheap stepper motor driver. It worked first time when coupled to a square wave crystal controlled oscillator. I used BD135 NPN (Ic = 1.5A max) output transistors to drive a small stepper motor.
moijdikssekool
time of pulse
Tuesday, December 11, 2007 8:51:35 AM
hi first question: i want to drive this controller with a picbasic and i need to know how long is the pulse ps: a pulse is a 1-0-1 or 0-1-0 sequence, isn't it? 2nd question: looking TIP31 datasheet, i see that the collector-emitter voltage is 40v min to 100v max and 12v is not in this range. Do you have another reference for a 12v collector-emitter voltage?
anonymous AMARJIT
Stepper Motor Controller
Sunday, December 02, 2007 3:39:38 AM
Hi,I need wiring detail of stepper mtr(4wire)type 103-6410-0140 dc 1.84V, .9deg/step for my annual project.if anyone knows about it,please help me.
dudegong
Stepper Motor Controller
Thursday, November 29, 2007 5:09:01 AM
Can any one provide me the codes of stepper motor control through parallel ports using C++
sheheryar
Motor Controller
Monday, November 12, 2007 11:06:05 AM
hi, i need to know abt the dc motor controller, i know about the H-bridge, i just want to know that there is a USB stick controller which is attached to the motor, the USB stick is programmable. if anyone have knowledge about this sort of a DC motor controller plz let me know. thanks
fataher
2 pole Stepper Motor
Sunday, November 11, 2007 5:28:36 AM
to know about 2 pole Stepper Motor which mechaniical anglae is 30 degree input 3 phase voltage.
t.nprao
Stepper Motor Controller
Tuesday, November 06, 2007 9:00:22 AM
hai this is the c-programme to run unipolar(5 wire)stepper motor through parallel port. #include #include #define data 0x3bc #define port data+0 #define on 1200 /*this delay is chanaged to change speed*/ void main(void) { while(1) { outportb(port,0x05); delay(on); outportb(port,0x09); delay(on); outportb(port,0x10); delay(on); outportb(port,0x06); delay(on); } } if you want to run it in reverse direction reverse the pulse sequence i.e(0x06,0x10,0x09,0x05).
Nasim
Stepper Motor Controller
Tuesday, October 23, 2007 1:43:46 PM
hi, Can any one provide me the codes of stepper motor control using ULN2003 as my driver. I would really appreciate ur help. thanks.
ankur
Stepper Motor Controller
Monday, October 22, 2007 6:01:00 PM
Can any one provide me the codes of stepper motor control through parallel ports using C......plzzzzzzzz
bharat
Stepper Motor Controller
Saturday, October 13, 2007 12:41:21 AM
Can any one provide me the codes of stepper motor control through parallel ports/serial port using C/c++/java/vb.......
nuwan
Stepper Motor Controller
Friday, October 12, 2007 12:13:03 AM
i have sanyo denki 103H7521-7051 stepper motor and somebody let me know please.can i drive that motor with this circuit.what are the motor connections. your attention of this is highly appriciated thanks. nuwan
jeff michael
Stepper Motor Controller
Saturday, October 06, 2007 2:43:55 AM
im thinking of my thesis and im planning to make a programmable robotic arm.. can i use steppermotor for this? can this handle the load? can u give me more ideas? thanks!!!
joseph
Stepper Motor Controller
Thursday, September 27, 2007 12:39:25 AM
Can any one provide me the codes of stepper motor control through parallel ports using C......plzzzzzzzz help me as i m in great mess.........
manuka
Stepper Motor Controller
Wednesday, September 26, 2007 9:33:43 PM
Just wetting your feet with steppers? Consider a bare bones approach via an Electronic Goldmine $2 stepper controlled with a US$3 PICAXE-08 => http://www.picaxe.orcon.net.nz/stepdemo.jpg that's an educational delight!
jay
pin config
Monday, September 24, 2007 11:36:04 AM
hi, i have a sanyo denki steping-syn motor, its tye is 103g78-2641, please help me identify its configurations because i have been searching in the internet and i didn't find anything...please email me if some one knows...thanks
Earl Kolanda
Stepper Motor Controller
Tuesday, September 18, 2007 1:25:22 AM
The best and easiest circuit I have ever seen. Thanks for sharing!
ece-1122512
Stepper Motor Controller
Monday, September 17, 2007 7:11:14 AM
is it possible to a dc motor be a stepper programable motor that can rotate in angle ang controlled circular motion?
krystel
Stepper Motor Controller
Monday, September 17, 2007 3:49:55 AM
do you have a circuit that controls the stepper motor's speed and automatically reverse its direction after a 360 deg turn? :-*
eswardora
Stepper Motor Controller
Thursday, September 13, 2007 4:38:29 AM
the control of stepper motor using electro pnumatics control giving high pulse and low pulse to run the motor
B boy
Stepper Motor Controller
Tuesday, September 11, 2007 8:26:33 AM
Do any body have microstep driver circuit ? email me back...
arjay
Stepper Motor Controller
Saturday, September 08, 2007 7:28:08 PM
thanks for this circuit bro!.. its really help to a lot in my thesis in masteral.. thanks again!
anonymous
Stepper Motor Controller
Saturday, September 01, 2007 2:25:37 AM
got some pcl cards. wanted to control stepper motor thru pc. plz help
anonymous
Stepper Motor Controller
Saturday, September 01, 2007 12:18:19 AM
how to drive a stepper motor using a ULN2003 chip a 74ls373 and interfacinf it to a parrallel port???
gargi das
Stepper Motor Controller
Tuesday, August 28, 2007 3:26:42 PM
the curcuit above is very simple easy driver for stepper motor but i m designing a curcuit where i have to control a stepper motor using a microcontroller ATmega16 can u guide me in that waiying for ur reply
Mohammed
Stepper Motor Controller and control through 16 key
Tuesday, August 28, 2007 1:51:13 AM
Please i need a circute for stepper motor and control through 16 key , please sent me this
Ryan
Stepper Motor Controller
Friday, August 24, 2007 4:32:39 AM
hai, I`m a college student in Indonesia, Im studying at Bhayangkara University Surabaya. I needs schematic diagram driver motor for my study. I use 24v dc motor, i was try with L298, but its burn,please help me, if yo know other driver-motor diagram. thanks
sanjoy paul
Stepper Motor Controller
Saturday, August 18, 2007 1:13:56 PM
how can control the stepper motor which has step angle 7.5 degree per step to a step angle 90 degree per step?
anonymous
Stepper Motor Controller
Saturday, August 18, 2007 2:46:51 AM
please share me a simple diagram of which a six wire stepper motor can be controll by pressing the forward and reverse button only
anonymous
Stepper Motor Controller
Friday, August 10, 2007 1:20:50 AM
What is by meant by “step” in the schematic diagram of Stepper Motor Controller.It does have a circuit diagram for that to operated or a device.
Sagar
Stepper motor controller IC
Wednesday, August 08, 2007 1:04:54 AM
Hello, Do anyone know about any IC which drives a stepper using only two signals (i.e. one for Forward and Other for Reverse) ?? If any one knows the name of IC please mail me...
prashant hukkeri
hi
Monday, August 06, 2007 10:23:56 AM
i need a circuit using microcontroller based stepper motor using darlington pairs.
M.Awais
Brushless ESC Circuit Diagram.
Monday, August 06, 2007 4:34:17 AM
Regards..! Sir want to make simple brushless dc motor ESC to control a CD-Rom brushless motor having three phases. I m a poor person and i can't buy a new ESC. Please help me as the project i m making is very essential for my progress in University. Please send me a circuit Diagram for three phase 6 volts brushless ESC. I shall be greatful to you for this act of kindness.If someone reading this comment have the diagram. Kindly send it at "awais_niceperson@yahoo.com"
dinesh kumar moharana
Stepper Motor Controller
Saturday, August 04, 2007 1:17:42 AM
I need a project based on the stepper motor controlled by the microcontroller.
aizat
Stepper Motor Controller
Thursday, July 26, 2007 11:51:57 AM
how could i get the controller device..i'am from MALAYSIA..now i'am doing my project for university as final year student in bachelor of electric instrumen,control and automation..
eric lovejoyric
Stepper Motor Controller
Wednesday, July 18, 2007 10:20:51 AM
Very useful. I used this model to design my own in the past. The only thing that should be noted is for beginners. this is that the logic gates and flip flops can be of any variety of logic. you could use a 7486, XOR and a 7476 flip flop. Or a combination. again, very useful, and skips all the crap, going straight to the schematic.
JGC
Stepper Motor Controller
Wednesday, July 18, 2007 3:27:16 AM
can i use the uln2003 ic instead of trans. TIP31 to drive unipolar stepper motor +12V ? and also the 4030 cmos ic to replace 4070 ?
shimon
Stepper Motor Controller
Wednesday, July 18, 2007 1:25:15 AM
is it the circuit that can be rotate both clockwise and counter clockwise
labagiri
brushless esc
Sunday, July 15, 2007 6:07:02 AM
dear sir/madam i want to make simple brushless dc motor esc which is use in r/c airplane or helicopter.but i can't find good brushless esc.i hope you will be help me. so would you sent me a simple three phase brushless esc circuit. your regard labgiri
blueroomelectronics
Stepper Motor Controller
Saturday, July 07, 2007 11:28:19 PM
Wow someone posts a schematic (not even his design) and every wants tech support, someone even wants the PCB layout. If you want more current use darlingtons like the 2N6282 , higher voltage just make sure the transistors are rated for it. Usually 30VDC is not a problem. And don't forget those clamp diodes... 1N5819 work well.
Adam
Stepper Motor Controller
Sunday, July 01, 2007 2:51:12 PM
The stepper motor that I have takes 4 wires and a ground. Will this controller work with it. What I see this one has is 4 wires with a 12volt feed am I understanding the drawing right.
Dave Whapham
Is this a Bi-Polar Stepper motor dirver?
Thursday, June 21, 2007 2:32:22 PM
I've been looking for a schematic for a bi-polar stepper motor driver (stepper motors have 2 coils/4 wires as opposed to 4 coils/6 wires). The caption at the right of the coils suggest thata there are 2 coils but it looks like there may be 6 connections to the motor which has me a little confused. THanks!
MRK Rao
Stepper Motor Controller
Thursday, May 31, 2007 10:17:29 PM
I want know how to control the resonance of stepper motor when it is moving at low speed? I am getting noise when it is coupled to spur gear at low speed.
Luke
Stepper Motor Controller
Friday, May 11, 2007 6:56:13 PM
I just have 2 questions for you. I was wondering what voltage of stepper motors this circuit could handle. And 2. how would I be able to connect it to an old parallel port to have it controlled by my computer. I'm asking because I'm building a mechanical arm and this circuit may work for what I need. Thanks for the help rockon
ANANOVA
use of Stepper Motor Controller in micromouse
Thursday, May 03, 2007 8:57:40 AM
i would like to know the use of stepper motor controller in buildig a micromouse and which different ICs can be used for constructing it
ananda
Stepper Motor Controller
Friday, April 27, 2007 10:02:43 AM
I NEED PCB PATTERN PRINTED DESING
anonymous
Stepper Motor Controller
Tuesday, April 24, 2007 2:17:00 AM
Hi! Do you have some experience in developing the controllar card. If yes, pl. let me know. I have one project in hand. Regards, Sanjay
Rana Khurram
Stepper Motor Controller
Tuesday, April 17, 2007 11:07:34 AM
Can we control it by light transducers
satu cahaya
Stepper Motor M42SP-4NP Controller
Monday, April 16, 2007 11:10:00 AM
How to controll stepper motor M42SP-4NP Mitsumi? And What's datasheet of M42SP-4NP? Please send email to me...
thai
Stepper Motor Controller
Saturday, April 14, 2007 1:47:43 AM
i'm needing circuit step motor controler with IC98C51 or 80C51,who have to sent for me,thank
priyanka
Stepper Motor Controller using 89xx microcontroller
Friday, April 13, 2007 11:26:23 AM
i want to made a black report on this topic, this is my subject there is no guide please help me?
Richard Rowell
Half Stepping
Saturday, April 07, 2007 3:35:31 PM
Kain, did your analysis show it is a half-stepping circuit or a full step? Any way I could talk you into posting the "output chart"?
anonymous sree
Stepper Motor Controller
Saturday, April 07, 2007 3:00:37 AM
Important applications of this stepper motor . Circuit diagram
george
Stepper Motor Controller
Thursday, March 29, 2007 12:57:42 AM
i just wanna ask if you know that kind of motor to use for the interface in our ultrasonic ranging sensor using Z86E0412PSC1866...i would love to have an opinion from you.
Kain
Stepper Motor Controller
Thursday, March 22, 2007 2:48:03 PM
It is a unipolar controller. If you need a bipolar controller, this circuit can be augmented with an H-bridge. A quick google seach should turn something up (almost identical to this circuit, iirc).
mehboob
Stepper Motor Controller
Thursday, March 22, 2007 6:37:56 AM
can you give ideas of wireless stepper motor control using pc to microcontroller rf interface
anonymous
Stepper Motor Controller
Wednesday, March 21, 2007 2:46:38 PM
Hy Balázs! This is Unipolar. Look the 4 pins in PNPs, and the 5th pin the core 12V. 5 pin = Unipolar. Egyébként sok sikert!
Balazs Marki
Stepper Motor Controller
Tuesday, March 20, 2007 3:30:38 PM
Hello! It is a bipolar or an unipolar stepper motor controller?
Kain
Stepper Motor Controller
Saturday, March 17, 2007 7:28:05 PM
Fiebig: I just analyzed the circuit. It does remember its position when reversed. :)
Fiebig
Stepper Motor Controller
Thursday, March 08, 2007 2:30:02 PM
Just wondering how the reverse works with this circuit. Does it remember it's position when reversed? IE: if I'm pulsing the circuit and it moves from position 1 to 2, 3, 4, 1, 2, and ends on 3, then flip the reverse switch, will the next step take it to 2 or does it restart at 4 or 1?
anonymous
Stepper Motor Controller
Friday, March 02, 2007 11:27:26 PM
no pcb layout

(Editor's notes: Nope, there isn't.)

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