Design 1
The main idea behind this design is to have a very simplistic layout with big button, big pictures, and simple flow.
Design 2
This was focused on making the automation process as simple as possible. The idea was to have every item you buy, have the option to buy it on a regular basis.
Design 3
For my extreme design, I decided to focus on an illiterate point of view. So I sketched out an interface made with mostly pictures. I was trying to be as visual as possible and our interviews show that the elderly enjoyed having a lot of images.