Based on the Controllable Power Outlet , this is the bare PCB that allow you to switch high voltages with a simple 0 to 5V GPIO on any microcontroller. This is only the bare PCB. You must buy the through hole components and solder them to the PCB.(bill of materials can also be found in the related items below) Project description, more information and ordering can be found at https://www.sparkfun.com/products/9096