6) Use it!
It’s time to push your button! Press down on the physical push button to see the onscreen widget move from OFF to ON. Let go and it should pop back to OFF. Congratulations, your real world actions are now changing the Internet!
Try wiring up different switches to monitor motion in the office, detect if anyone is opening your desk drawers or watch to see if there’s a car parked in your spot. While there’s plenty of analog sensors for monitoring weight, light, angle, pressure, or proximity, there’s almost always a way for a digital switch to fill the same shoes at lower cost and with greater reliability. When in doubt, try a switch!