On the Spark shield, make pins not inverted by default
On the Spark shield, make pins not inverted by default

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