Grove - Relais Numérique Normalement Ouvert de seeed studio

The Relay is a digital normally open switch that controls a relay capable of switching much higher voltages and currents than your normal Arduino boards. When set to HIGH, the LED will light up and the relay will close allowing current to flow Please exercise great care when working with mains voltages_ if in doubt contact a professional such as a licensed electrician for help. Dimension:42.00mm*24.00mm*19.50mm 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.