switched filters to cascaded filter
switched filters to cascaded filter

BrewPi/firmware,etk29321/firmware,etk29321/firmware,glibersat/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,etk29321/firmware,glibersat/firmware,etk29321/firmware,glibersat/firmware,BrewPi/firmware,etk29321/firmware,BrewPi/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,glibersat/firmware,etk29321/firmware