Learn how to use ezButton library. This library is designed to make it easy to use push button, momentary switches, toggle switch, magnetic contact switch (door sensor)..​. It is easy to use for not only beginners but also experienced users. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. Find this and other Arduino tutorials on ArduinoGetStarted.com.