WYPH DC 5V Stepper Motor 28BYJ-48 With ULN2003 Driver Test Module Board 4-Phase 5-Line Pack of 5 Sets Stepper motor with a standard interface, when used directly pluggable. A, B, C, D four-phase LED indicates the status of the stepper motor work. 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. Drive Module Board Size: 1.26'' * 1.38''. Stepper Motor diameter: 1.06''; Stepper Motor lines: 9.45''. Package Content: 5 set 28BYJ-48 Stepper Motor + Uln2003 Driver Board