... the ability to measure the flow rate and temperature of the water. The data collected is processed and transmitted wirelessly to a display. The user of the shower is thus informed at all times about his energy and water consumption as well as the cost of showering. Hansgrohe SE, a manufacturer of sanitary technology products, was impressed by the Freiburg team's invention and would like to work with the students in the future. In addition, the team is currently developing an app that extends the function of the display. This will allow consumers to read the data directly on their smartphones, giving them an overview of their total water consumption.