Small Unipolar Stepper Motor - 5V DC 32-Step 1/16 Gearing
Small Unipolar Stepper Motor - 5V DC 32-Step 1/16 Gearing
Small Unipolar Stepper Motor - 5V DC 32-Step 1/16 Gearing
Small Unipolar Stepper Motor - 5V DC 32-Step 1/16 Gearing

Small Unipolar Stepper Motor - 5V DC 32-Step 1/16 Gearing

28BYJ-48 , 5V Reduction Stepper Motor

Check this compatible  Motor Driver board  with connector for this motor

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Description

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.

Do not use interleaved or micro-stepping to control this motor 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.

You must use this motor with motor driver board/ IC to get it working, ULN2803 IC works great with this motor. Check out the ULN2803 Motor Driver board in out Store.

Datasheet

Specifications:
Series 28BYJ-48
Type Permanent Magnet Gear Motor
Coil Type Unipolar
Voltage - Rated 5VDC
Current Rating -
Steps per Revolution 4096
Step Angle 0.088°
Accuracy -
Torque - Holding (oz-in / mNm) 16.66 / 117.68
Size / Dimension Round - 1.100" Dia (28.00mm)
Diameter - Shaft 0.197" (5.00mm)
Length - Shaft and Bearing 0.394" (10.00mm)
Mounting Hole Spacing 1.378" (35.00mm)
Termination Style Wire Leads with Connector
Operating Temperature -
Coil Resistance 50 Ohms
Features Flatted Shaft

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Dimensions:

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28BYJ-48

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