JC_Button | Arduino library to debounce button switches

JC_Button is a C++ library typically used in Internet of Things (IoT), Arduino applications. JC_Button has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has low support. You can download it from GitHub.

The Button library is for debouncing and reading momentary contact switches like tactile button switches. "Long presses" of arbitrary length can be detected. Works well in state machine constructs. Use the read() function to read each button in the main loop, which should execute as fast as possible. The simplest way to use a button with an AVR microcontroller is to wire the button between a GPIO pin and ground, and turn on the AVR internal pullup resistor. The Button class constructor takes four arguments, but three have default values that work for a button wired in this manner. A derived class, ToggleButton, implements button objects that need only "push-on, push-off" functionality.