Switches bounce -- that's what they do. To ensure our processors don't "see" multiple events, we have to debounce these signals, which we can do in hardware or software. Unfortunately, this is something of an arcane area because there are as many different approaches as there are engineers (some of them even work). In this MicroTalk, we will plunge into this esoteric topic with gusto and abandon, so please ensure you are wearing appropriate attire.