If you hit the snooze button on an alarm clock this morning, you sent user input to an embedded system programmed to give you a few more minutes of sleep!
When you rode the bus to school, your bus driver’s two-way radio is an embedded communication system that receives audio input and sends audio output.
Video game controllers are a great example of an embedded system. They take user input from the player pressing buttons, moving joysticks, and tilting or shaking and output that information wirelessly to the video game console.