Welcome to ETC Educational Technology Connection (HK) Ltd!
Grove - Servo is a bonus product for Grove lovers. We regulated the three-wire servo into a Grove standard connecter. You can plug and play it as a typical Grove module now, without jumper wires clutter.
See official website
For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your using of the product.