<br> <br> Elegoo Inc. is a professional manufacturer and exporter that is concerned with the design, development production and marketing of arduino, 3d printers, raspberry pi and STM32. <br>Our Dream is to make the best price and best quality produce for customers. <br>So we would like to receive your valuable suggestions for our products and we can improve them for you. <br><br> Features: <br>- A, B, C, D four-phase LED indicates the status of the stepper motor work. <br>- Stepper motor with a standard interface, when used directly pluggable. <br>- 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 <br>- Rated Voltage: DC5V 4-phase <br>- Insulation Resistance: >10MΩ (500V) <br>- Dielectric Strength: 600V AC / 1mA / 1s <br>- Step angle: 5.625 x 1/64 <br>- DC Resistance: 200Ω±7% (25C) <br>- Reduction ratio: 1/64 <br>- Insulation Grade: A <br>- No-load Pull in Frequency: >600Hz <br>- No-load Pull out Frequency: >1000Hz <br>- Pull in Torque: >34.3mN.m(120Hz) <br>- Detent Torque: >34.3mN.m <br>- Temperature Rise: 《40K(120Hz) <br><br>Package including: <br>5 set Uln2003 Stepper Motor + Driver Board <br>10pcs female to male cable ( as a gift)