Printer off with ESP8266 (Homeautomation)

There are several options to turn your printer off with a relais to cut of the power supply after a print is finished. For all solutions you need to do a re-cabeling of your printer. I was searching for a solution to turn my printer off after a print just with some minor cabeling and easy to remove.

This solution is only working in case you already have a home automation system. I am using ioBroker, but FHEM, openHAB, HASS and whatever should work as well.

What is needed:
- Wifi power swi