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Feature

This 28BYJ-48 unipolar stepper motor comes with driver board ULN2003 for Arduino.Works great for small DIY projects
The stepper motor is easy to use in electronic project with Arduino.Connection worked with the motor driver board, and Useful for robotic arm movement and smaller cnc/laser/3d Printer
The ULN2003 driver module is nice both for quickly testing and even for final installation, provided you are not strapped for space. The LEDs are useful for troubleshooting if you don't have much experience with stepper motors
Excellent component, perfect for my Arduino projects.If you don't have much experience with stepper motors, I highly recommend this set. It's cheap, versatile, and super easy to use. It's also convenient that these run on 5V
These perform amazingly well in both torque and accuracy for their price and size.5V stepper motor can be used for Air Conditioner Louver / Small Cooling / Heating Fan etc too

Description

Motor Driver:
Compatible with Ardunio.Suitable for DIY projects
Easy to use!No need for modifications
Have 4 leds showing status of the stepper motor work
5 to 12V power range
Works good with 28BYJ - 48 stepper motor. Tested on Raspberry Pi 3
Product Size:1.38 x 1.18 x 0.39 inches (L x W x H)

What is Stepper Motor:
Stepper motor are used to move in discrete steps, which means you can control the steeper motors with precision. Where do they use stepper motors in? There are many usage of stepper motors, which includes medical scanners, 3D printers, in camera for auto focus, and many more.
Features of a stepper motor:
What makes a stepper motor different from regular motor? Well, as I have mentioned above, stepper motors can move in discrete steps, where each step is a fixed angle increment. This is rather similar to servo motors as the motion of the servo is controlled by telling it how much angle I want it (the servo motor) to move, but the motion of servos are usually constrained from 0 to 180 degrees. Therefore, if you need to rotate continuously while maintaining precision, stepper motor would be your choice.
Specification of the Motor:
Rated voltage : 5VDC
Number of Phase:4 step
Speed Variation Ratio: 1/64
Stride Angle 5.625 /64
Frequency: 100Hz
DC resistance: 50O7%(25)
Idle In-traction Frequency: >600Hz
Idle Out-traction Frequency > 1000Hz
In-traction Torque >34.3mN.m(120Hz)
Self-positioning Torque >34.3mN.m
Friction torque 600-1200 gf.cm
Pull in torque 300 gf.cm
Insulation grade A
Product Size:1.69 x 1.18 x 0.75 inches(L x W x H)
Note:
If you want to use L293 Instead of ULN2003 , You will need to leave Red wire No connection.