Stepper Motor Driver Controller, PWM Pulse Generator Speed Regulator Board, Board Adjustable Frequency Regulation

✪✪✪✪✪ [Knob] The knob holds High, Medium and Low. In total, three types of frequency can be used to select jumpers. ✪✪✪✪✪ [Frequency] The measurement frequency can be PUL and the common cathode terminal (GND) of two ports. ✪✪✪✪✪ [Application] this module if it supplies as a step by step drive signal, however, and the drive must also be used to control the motor step by step. ✪✪✪✪✪ [Connections] PUL + and PUL- positive and negative pulses; With EN + and EN-, if activate the positive and negative terminals. DIR + and DIR- are positive and negative directions. These six lines are connected to activate the corresponding pulse, that is, six ports. ✪✪✪✪✪ [Power supply] 15-160 V DC or 5-12 V DC. If using 5-12 V DC, connect the positive end to the 5-12 V DC input and the negative end to the common cathode end.