When a switch closes, the contacts do not close instantly and finally. The contacts close, then bounce open, and this cycle repeats for a period, depending on the switch-manufacturing technology. The ...
There are many different types of switches that are intended to address different design requirements, deployment environments, and usage scenarios. I’m always amazed how one thing leads to another.
If a newcomer to the electronics engineering community were to ask me to pick a topic that would follow them around throughout their career -- popping up when they least expect it like a surreal ...