Mini Stepper Motor - 200 Steps - 20x30mm NEMA-8 Size

PRODUCT ID: 4411
$19.95
QTY DISCOUNT
1-9 $19.95
10-99 $17.96
100+ $15.96

  • Description-

    Description

    This tiny stepper motor is the same quality and step-size as the big NEMA-17's we stock, but so cute so it will work with compact CNC builds. This 4-wire bipolar stepper has 1.8° per step for smooth motion and a nice holding torque. The motor was specified to have a max current of 600mA so that it could be driven easily with an Adafruit motor shield for Arduino, Motor Bonnet for Raspberry Pi or our Feather Motor controller & and a wall adapter or lead-acid battery. It's rated for 3.9V, if you have a stepper driver with current limiting, use that to keep the power down. If you have a non-current-limiting driver such as the motor shield/hat/feather we found 5V DC power worked well to power the stepper controller.

    The cable has ready-to-go wires - the drive-shaft does not have a D cut in it, but you can clamp to it pretty easily. We drove it with an Adafruit motor shield for Arduino and it hummed along nicely at 50 RPM.

    Please note: the wire colors on these motors may vary!

    If you have a motor with Green/Black/Yellow/Red color wires, to connect to our shield/hat/featherwing, put the wires in this order: Black, Red, skip ground if there is one, Green, Yellow.

    If you have a motor with Yellow/Red/Orange/Blue color wires, to connect to our shield/hat/featherwing, put the wires in this order: Red, Blue, skip ground if there is one, Yellow, Orange.

  • Technical Details+

    Technical Details

    Specs:

    • Bipolar stepper, requires 2 full H-bridges!
    • 4-wire, approx ~16" leads
    • 33mm x  20mm rectangle body
    • 4mm diameter drive shaft, ~9mm long
    • 3.9V rated voltage (you can drive it at a lower voltage, but the torque will drop) at 600mA max current
    • 2.8 oz*in, 20 mN*m, 0.2 Kg*cm holding torque per phase
    • ~ 7 ohms per winding

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