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Small Stepper Motor
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Price: $14.93
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Sparkfun Item #: ROB-10551 -

These small steppers are a great way to get things moving, especially when positioning and repeatability is a concern. When using a current limiting driver such as the Easydriver or Big Easydriver, a 12 volt power supply can be used as long as you adjust the current level to 400mA or less. If using a non current limited driver (like a L293D or an H-bridge) you will need to lower your input voltage to keep the motor current below 400mA. This is a Bipolar motor. Features: Stride Angle (degrees)...

Stepper Motor - 125 oz.in (200 steps/rev, 600mm Wire)
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Price: $71.32
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Sparkfun Item #: ROB-13656 -

Stepper motors are great motors for position control. They can be found in desktop printers, plotters, 3d printers, CNC milling machines, and anything else requiring precise position control. Steppers are a special segment of brushless motors. They are purposely built for high-holding torque. This high-holding torque gives the user the ability to incrementally “step” to the next position. This results in a simple positioning system that doesn’t require an encoder. This makes stepper motor...

Stepper Motor - 29 oz.in (200 steps/rev, Threaded Shaft)
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Price: $80.53
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Sparkfun Item #: ROB-10848 -

These steppers have a threaded shaft, which allows them to be used as a linear actuator. As the motor runs, it moves along the shaft at a specific rate of 1cm per 5 full rotations. These are a good choice for linear motion where precision and repeatability are important. Note: It looks like the datasheet for this stepper may not be accurate. When connecting this motor to a bi-polar driver you'll want to wire it according to the wiring diagram in the documents below. Features: Step Distance:...

Stepper Motor - 68 oz.in (400 steps/rev)
Price: $32.41
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Sparkfun Item #: ROB-10846 -

These steppers are a great way to get things moving, especially when positioning and repeatability is a concern. This is a Bipolar motor. Features: Step Angle (degrees) : 0.9 2-Phase Rated Voltage: 3V Rated Current: 1.7A/Phase 5mm Diameter Drive Shaft Holding Torque: 48N.cm NEMA 17 form factor Documents: Datasheet Motors and Selecting the Right One Hookup Guide Videos ...

Stepper Motor with Cable
Price: $30.43
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Sparkfun Item #: ROB-09238 -

This is a simple, but very powerful stepper motor with a 4-wire cable attached. This is a Bipolar Motor. Features: Step Angle (degrees) :1.8 2 Phase Rated Voltage : 12V Rated Current : 0.33A Holding Torque : 2.3kg*cm 5mm Diameter Drive Shaft Winding resistance: 32.6 Ω Winding inductance: 48 mH Max flux linkage: 1.8 Vs Maximum Detent Torque: 0.016 N.M Total inertia (kg.m.m): 3.5 Kg.m.m Total friction (kg.m/s): 4 Kg.m/s NEMA 17 Mounting Hole Pattern (31mm) Motor Width: 42mm (1.67”) Documents:...