Arduino is a great tool to control and sense thing, this is why most of people use it, but there is a big catch. Arduino can only handle really small currents. (No more than 40mA). This is ok for some electronic projects, but how do we control big things like a fridge, lights, the coffeemaker, TVs or Computers. This is how:P.D. From this instuctables you will learn how to control everything in your home that uses below 10A at 125V AC. You don't need to use an arduino. You can use any Microcon...
