engine pulse signal generator for step engine driver controller speed regulator

description: 1, this module is a pulse generation module, deliver the control signal to stepper driver. to the stepper motor, must be equipped with a drive. 2, this simple controller + step motor + step motor + dc power can be composed of a simple set of control platform. 3, the controller has high 5.4k-160khz, middle 540-16.6khz, low 80-2.4khz total of three types of low frequency signal can be used to the jumper. 4, can produce pulse signal, can also produce pwm signal, can choose the jum