debounce SW::Schmitt trigger reed switch, 2, 3, 4 schmitt-trigger, 2, 3, 4 pullup 2 TaskManager 1, 2, 3 pid, 2, 3, 4, 5!, 6!, interrupt arduino shop 1, 2, 3, 4, arduino online editor enum hartmut-waller.info/arduinoblog www.makerblog.at www.kollino.de https://nikoro1904.github.io/robotic-tutorials/