Hi - to wire up the RPi's GPIO to a mains power switch, you need a relay board to toggle a high voltage switch. See this project: http://www.progetti-hw-sw.it/

Hi - to wire up the RPi's GPIO to a mains power switch, you need a relay board to toggle a high voltage switch. See this project: http://www.progetti-hw-sw.it/raspberry.htm http://www.progetti-hw-sw.it/raspberry.htm