Longruner 5x Geared Stepper Motor 28byj 48 Uln2003 5v Stepper Motor Uln2003 Driver Board compatible with ArduinoIDE LK67 Features: - 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. - 5 line 4 phase can be used for ordinary. ULN2003 chip driver, connect to the 2 phase , support the development board，With convenient use, direct docking. - Rated Voltage: DC5V 4-phase - Insulation Resistance: >10MΩ (500V) - Dielectric Strength: 600V AC / 1mA / 1s - Step angle: 5.625 x 1/64 - DC Resistance: 200Ω±7% (25C) - Reduction ratio: 1/64 - 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) Package including: 5*set Uln2003 Stepper Motor 5*Driver Board 1*40 Pin Dupont Wire