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
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
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