modular home coffee machine project

Starting from scratch only with idea. the aim is to create a project that will be the basis for the realization of the first prototype. the appliance to be made has 3 parts of which 1 is the main one and the others will be plug-in. The main one will be an espresso machine that grinds the coffee grain and is connected to the water purifier. the second part is an ice-maker. the third is a juice extractor. Plug-in accessory parts takes water and electric current from the main module.