Con esta PCB de relés se pueden hacer realidad los proyectos de potencia con arduino. Sólo necesita 5V Gnd y el input de 5V para activar el relé 1 o relé 2.

Very easy to use. A good option for people who want to start with domotic services. A good option for people who are using a Raspberry Pi like me. Have to be carefull you dont make contact with the backside pins. Nothing else to mention. Its a good product. Very nice for the price. Everyone who a... Very easy to use. A good option for people who want to start with domotic services. A good option for people who are using a Raspberry Pi like me. Have to be carefull you dont make contact with the backside pins. Nothing else to mention. Its a good product. Very nice for the price. Everyone who likes working with low cost electronic should give it a try. Very nice presentation. Leds make us know if everything is working ok. Happy for the bought. Resumen para los hispanos: Producto de buena calidad a un bajo precio. Los tiempos de envío son francamente buenos. El sistemas es una buena opción para usuarios de Raspberry Pi o Arduino. Incluye 3 leds para indicarnos el estado de funcionamiento. Estoy bastante contento por la compra. Read more

For people who like prototyping stuff it is a really nice module. Very easy to use and very well built. For the price it is a really nice thing to purchase. I didn't see on the photos that it was written in chinese in the relay, but this problem was solved using a multimeter. Very well built, for... For people who like prototyping stuff it is a really nice module. Very easy to use and very well built. For the price it is a really nice thing to purchase. I didn't see on the photos that it was written in chinese in the relay, but this problem was solved using a multimeter. Very well built, very cheap, nice quality, nice for home projects for hobbyist and student. Written in chinese, but this is not a big problem. A must have for those who make projects at home. If you need and would use, purchase it. Read more