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Stepper Motor - Small Reduction 5-Wire (512 Step)

Product Code: MMP-0254

£2.99
Ex.Tax £2.49

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Stepper Motor - Small Reduction 5-Wire (512 Step)
Stepper Motor - Small Reduction 5-Wire (512 Step)
Stepper Motor - Small Reduction 5-Wire (512 Step)
Stepper Motor - Small Reduction 5-Wire (512 Step)
Stepper Motor - Small Reduction 5-Wire (512 Step)
What's The Difference Between DC, Servo & Stepper Motors? What's The Difference Between DC, Servo & Stepper Motors? Aug 25, 2013 25/08/2013 Need a motor for your project, but not sure which type to get? We stock a few different varieties on ModMyPi, so hopefully this rundown on the dif..

This is a great first stepper motor, good for small projects and experimenting with steppers. This uni-polar motor has a built in mounting plate with two mounting holes. There are only 32 step (11.25 degree) per revolution, and inside is a 1/16 reduction gear set. (Actually its 1/16.032 but for most purposes 1/16 is a good enough approximation) What this means is that there are really 32*16.032 steps per revolution = 513 steps! The shaft is flattened so its easy to attach stuff to it with a set-screw. A perfect first stepper motor and works well with the Motor Shield for Arduino  or one of our Motor Driver IC's.

We also have the Step Your Pi Raspberry Pi Stepper Motor Driver Breakout Board, which is a great place to start controlling stepper motors with the Raspberry Pi!

The gearing has a few side effects which are important to note. First, you can turn the stepper by hand but not as smoothly as an un-geared stepper. It also means you shouldn't use interleaved or micro-stepping to control or it will take forever to turn. Instead use single or double stepping. The torque is fairly high but its slower than un-geared steppers - we maxed out at about 50 RPM by over-driving it a bit with 9VDC. At 5V try to stick to under 25 RPM

To use with the Adafruit Motor Shield, connect red to ground (middle), orange and pink to one motor port (say M1) and blue and yellow to the other motor port (say M2). So in order, thats: orange - pink - red - blue - yellow. Then just use the example code that comes with the Adafruit Motor Shield library and set the constructor to Adafruit_StepperMotor *myMotor = AFMS.getStepper(513,motornum) and the speed at 5 RPM by calling motor->setSpeed(5). Otherwise, you can also wire it up with some transistors and use the Arduino Stepper library

Specifcation

  • Unipolar stepper with 0.1" spaced 5-pin cable connector
  • 513 steps per revolution
  • 1/16.032 geared down reduction
  • 5V DC suggested operation
  • Weight: 37 g.
  • Dimensions: 28mm diameter, 20mm tall not including 9mm shaft with 5mm diameter
  • 9" / 23 cm long cable
  • Holding Torque: 150 gram-force*cm, 15 N*mm/ 2 oz-force*in
  • Shaft: 5mm diameter flattened
  • Approx 42 ohm DC impedence per winding

Tutorial

Controlling a Stepper Motor with the Raspberry Pi

 

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