5V-12V DC Brushless Motor Driver Board Controller for Hard Drive Motor 1.8A Max can drive hard disk brushless motors ,CD-ROM brushless motor and so on the micro 3-wire or 4-wire without hall brushless motor. It also have reverse voltage protection , Overcurrent protection , Phase inversion control, Easily wiring capabilities. 

This motor driver is suitable for hard brushless motor, brushless motor drive and other miniature 3-wire or 4-wire brushless motor without hall.

Features:

• Type: Voltage Regulator
• Phase inversion Control: Yes
• Voltage polarity protection: Yes
• Overcurrent Protection: Yes.

Specifications:

Note: Brushless motor line of receiving terminal drive plate must be pressed sturdiness, poor contact will lack of phase operation and burn out the chip.Board terminals fixed screw clearance, please use coarser line connected to the board.

How to identify four line motor public port: use the resistance of the multimeter * gears test this four terminal , One of the terminals and the other three terminal resistance value of the minimum and equal , so it's COM terminal

Package included:

• 1 x 5V-12V DC Brushless Motor Driver Board Controller