Switches can be troublesome! This library for controlling different types of switch and switch circuits can remove much of the hassle.
Game that presents a sequence of random lights that are remembered and then then re-entered on button switches.
Use a single interrupt to easily and simply process any number of switches, button or toggle and wired in any scheme.
Implementing switches can be troublesome. This article offers a solution for configuring many mixed type switches at the same time.