This product is retired, please consider the new version Grove - Mini Fan V1.1.Grove - Mini Fan is a DC motor driver base on AVR microcontroller Atmega168,you can change code by breakout , this module also reserve servo connector,it can driver servo by change code ,Grove - Mini Fan is design for kids, which is use soft fan-leafed in order to avoid unnecessary damage. Features Grove connector Soft fan-leafed Arduino compatible User-friendly Part List Grove - Mini Fan Fan DC Motor Grove Cable-20cm