4-Phase Step Motor en Motor Driver Board ULN2003 5Volt

Features:
5 lines and 4 phases can be driven by ordinary uln2003 chip; can also be connected in phase 2 development board.
Supporting the use of a direct plug and easy to use stepper motor used in the development board.
ULN2003 stepper motor driver board:
A, B, C, D four-phase LED indicates the status of the stepper motor work.
Stepper motor with a standard interface, when used directly pluggable.

Specifications:
Diameter: 28mm / 1.1in
Voltage: DC 5V
Length: 274mm / 10.8in
Step Angle: 5.625 * 1/64
Reduction ratio: 1/64 
DC Resistance: 200±7% (25)
Insulation Resistance: >10M (500V)
Dielectric Strength: 600V AC / 1mA / 1s
Insulation Grade: A
No-load Pull in Frequency: >600Hz
No-load Pull out Frequency: >1000Hz
Pull in Torque: >34.3mN.m(120Hz)
Detent Torque: >34.3mN.m
Temperature Rise: <40K(120Hz)
Noise: <40dB (120Hz, No load, 10cm)
Board Size: Approx. 29 * 21mm
Total Weight: 41g / 1.43oz