Technical information:

- Require Power Supply 12VDC / 24VDC

- 5 Push buttons to control the board

- PWM Duty cycle 0-100% or speed control by 2 buttons ( UP/DOWN )

- Speed recorder 3 level ( 1, 2 , 3 )

- Build in soft start fuction for 1second

- Programable freq. 100Hz, 500Hz, 1kHz, 2kHz, 4kHz and 8kHz

- Jumper select 12V / 24V

- DC motor current up to 30A ( Max )

- PCB size 3.43" x 4.54"

- All modual is tested again before shipping.

- In case, board is installed in a box, needs adequate ventilation. Extra cooling ( Fan is recommended )

 Download User Manual

Once the board is power on, 

- Soft start works in 1s

- Speed will be locked at first level

example : User want to control speed at 25% after power on.