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Description: These small steppers are a great way to get things moving, especially when positioning and repeatability is a concern.
This is a Bipolar motor.
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Trying to get this motor to work with a “L293D Motor Drive Shield” the shield is capable of handling 600mA per coil, this motor according to the data here takes 400mA (presumable per coil) so should be good there. However the data sheet here does not relay explain the pin outs only coil A and coil B but not which wires are which coil, the truth table is also a bit confusing, I am a programmer and i cant read it. i tried to do my own truth table and it seems to confirm my guess that yellow and orange is one coil, and brown and black is another coil,. however I am also showing connectivity/resistance between orange and brown,.. that should not happen correct?
when i hook it up in what should be (as far as i can tell) the correct pin out, (Yellow/Orange as coil B) and (Brown/Black as coil A). and setting full rotation to 48 (360/7.5=48) then tell the motor to do one full rotation (48 pulses) (speed 10). All i get is a quarter rotation and a Hbridge chip that’s getting way to hot very quickly,…
Running off of fully charged 11.1v 500mAh (10C) lipo pack w/Arduino USB powered, Power jumper from Arduino disconnected.
Any idea of what I am doing wrong? Thanks
I’m having the same issue here. It looks like the motor can’t be run with the L293. I’m trying to use it with adafruit’s motor shield and I get the same results - overheating and unreliability. Here is the link to my post and the answer I got.
Did anyone manage to get this motor working with an L293? Maybe it needs some extra protection, resistors…?
I’m looking into different stepper motors for use on a quadrotor, and weight is an issue. How much does this weigh? I can’t seem to find the weight anywhere on the datasheet…
I’m about 9 months to late but a stepper motor is to slow for lift (if that’s what ur using it for). usually you need a normal drushed dc motor or a 3 phade brushless motor for that kind of power to weight ratio. If your going to use a motor as some sort of flight control. I would recommend a servo because its lighter and you would not need a flap to move more than 360º.
I was planning on using it for a camera gimbal, but eventually decided that a brushless motor would work better. Thanks!
For an art project, I need to control 20 of these motor. Wich Arduino card can manage that? Do I need one EasyDriver per motor? Any interesting URL for me? Thanks a lot by advance!!
Hi! I would recommend you look at the Quadstepper Motor Driver Board, which can drive up to 4 stepper motors at a time. This should simplify your set up for you. If you have additional questions about your project, contact us at techsupport @ sparkfun dot com and we can give you some other suggestions.
any hardware parts to be compatible? Like axles, bolts, wheels, pulleys, belts? and such.. ?
Similar question: what should I use to connect this motor to a winch drum?
How can this be mounted to anything? I can’t find the screw thread details, and I’m not sure where to look for brackets that would fit it.
I bought four of these. Like others on this list, I did not realise how difficult it would be to attach a pulley or gears to this. 3mm drive shafts do not seem to be very common.
Please, if you know how to attach gears or pulleys to this motor, please share.
Pardon my noob question but I just received this in the mail and the shaft isn’t threaded or notched; how do you attach anything to the shaft?
Could someone tell me the speed of this motor in RPM?
Also I’m looking in to using this for a hovercraft project and would like to know the weight as the hovercraft would only be able to pick so much up.
The RPM depends on how you’re driving it, and could be above 10,000 RPM with the right driver. But I wouldn’t recommend using this for a propeller. Stepper motors are built for precise positioning. What you want is pure speed and power. You might take a look at the brushed or brushless motors used by RC aircraft, sold by HobbyKing.com and others.
Could I use this motor to generate electricity?
Looking for a winch that I can connect to this stepper motor. The idea is to control a robot up and down hanging on a string. Any suggestions?
Where can we get gears, racks and pinions, etc. for this motor?
which colored wires of the stepper motor go in to what location of the EasyDriver Stepper Motor Driver? little confused
I’m a complete newbie so don’t hate me if my question is stupid. :) Are these strong enough to turn a potentiometer? Or is extra gearing required?
I’m trying a simple experiment to demonstrate hydroelectric power which I found on treehugger.com.
One of the things required is a stepper motor, preferably 12V or less. Would this model be the right one? If so, how should I connect it(given that it has 4 wires instead of 3/2)?
All stepper motors will have four leads or more; you can certainly use them as generators, but since the output will be AC, you’ll need to add diodes (rectifiers) on the output wires if you want DC (diagram here).
You can also use a brushed motor such as this one as a generator; this tends to be simpler as there are only two wires and the output will be DC all by itself, but you’ll need to spin it pretty fast to get usable voltage (which may not matter for your experiment).
I would like to control two of these motors with two EasyDriver. Could somebody recommend a power supply?
I thought about this one(https://www.sparkfun.com/products/9442) is 12V and 600mA. Would it be strong enough?
Thanks in advance!
2 questions. Is this powerful enough to run a 3D printer or CNC? And, why is a photocell in the related products?
How many steps are there per revolution, I didn’t see it on the data sheet.
360 degrees/ 7.5 degrees-per-step = 48 steps per revolution
In my case, I came to your site hoping to find the answer to this exact topic.
I am in the electronics recycling industry, andI have a little a little electronics background, dangerous combimation sometimes!
I get a lot of the robotics harware out of different equipment, and just need a little help figuring things out sometimes.
Wonderful to know that I have a place to go.
Thank You again.
First time doing any electronics, how do the pins come out of that plastic connector so I can hook it up to the EasyDriver via breadbiard?
Has anyone tried to feeding this baby with a LiPo battery?
Anyone know the mass of this motor?
What is the RPM of this motor?
Looking at the datasheet.
Stride angle =7.5
Max no idle PPS (assuming pulses per second)=1600
1600 pulses per second* 60 seconds in a minute * (7.5 degrees per pulse/ 360 degrees per revolution) = 2000 RPM
“but can’t seem to figure out which of the wires in the motor cable match with which MOTOR pin on the EasyDriver board.”. Use multimeter to measure the resistance between motor leads. Between two of them it shows few ohms, between another two it should show about the same value. Connect one pair to “A” and another to “B” in stepper card, if motor does not step switch A and B.
Thanks very much for the info. I managed to figure it out through trial and error (and a replacement EasyDriver board), but in the future I’ll use your method.
I’m new to the electronics game, so forgive me if the answer to this is obvious. I am trying to hook up one of these motors to the EasyDriver Stepper Motor Driver but can’t seem to figure out which of the wires in the motor cable match with which MOTOR pin on the EasyDriver board. I’ve checked out the datasheet, but that doesn’t appear to be any help.
You can connect this Motor’s wires to EasyDriver 4.4 like this:
Yellow motor wire to EasyDriver A (left side)
Orange wire to ED A (right side)
Brown wire to ED B (left side)
Black wire to ED B (right side)
works great for me.
The Datasheet link is broken.
Is g/cm is a unit of torque? Torque is force unit x distance not mass / distance.
It’s technically correct. They normally mean gram-force (newton equivalent of what 1 gram of mass exhibits in a 1G environment). Silly, but many motor manufacturers specify torque this way. They never actually TELL you this, though.
I believe he’s partially correct in that it should be g-f*cm (as its given in the data sheet) and not g-f/cm as shown on the page.
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