Learn to build some simple Arduino circuits to time yourself while you wash your hands! 

What You’ll Learn

When you are finished with this project, you’ll be able to:

  • Upload code to an Arduino microcontroller
  • Edit that code
  • Build¬† a circuit using a buzzer and button
  • Make music with that circuit
  • Build and code a circuit using a liquid crystal display
  • Wire a 4-digit 7-segment display and code it to count down time

What You’ll Need

To complete this project, you’ll need the following components