Automatic drip brewers are an electronic brewing method.
Thermally-induced pressure pumps cold water from a separate compartment, through a spray-head over a ground coffee bed. It’s then filtered through paper or metal mesh into a pot. Throughout the 20th century many inventors and companies patented various version of automatic drip machines. We love drip coffee with a paper filter. It produces a medium to full-bodied cup, and allows for complexity and clarity at the same time. Variation from manufacturer to manufacturer will impact temperature stability and the evenness of water dispersion. These two variables that can contribute to the balance of extraction.