- You’re going to build a circuit with a push button. The push button is normally closed, so it doesn’t let air through until you press it.
- Build the breadboard setup.
- Turn on the pump and press the button to activate the flag.
- Now replace the flag with a bellow.
- Because you’re making a circuit that is initially closed, you will need to make sure the components don’t pop out of the breadboard. To ensure this, use the yellow hollow plugs to connect the components to the breadboard. They ensure a good seal that doesn’t pop out.
- Build the breadboard setup.
- Turn on the pump and inflate the bellow by pressing the button.
- Add another button so you can also release the pressure from the bellow.
