Since the of :bit, simple and of programming is widely loved by , students and teachers. sample design, coupled with a wealth of pin resources, give it possibilities. Each motor port comes with a positive and negative rotating indicator to identify the motor running direction conveniently, which is suitable for students and to make small projects. Support to drive 4 DC motors with a maximum current of 3.5A at the same time Support driving 8 servos at the same time, support power supply PCB board thickness: 1.6mm hole diameter: 4.6mm Product size: 80mmX57mmX12mm Input voltage: 6-36V Colour:black :PCB Package Contents: 1 x Microbit Driver Board (Vertical Plug) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.