Hello everybody and welcome back to Day 2 of “12 Days of Arduino”! On the second day of Arduino Kevin gave to thee:
Remember this is not a tutorial, just a tech demo, if you are looking for tutorials check out @educ8s.tv on YouTube!
If you read the previous article (Arduino Morse Code Keyer) you can see that making a sound with the press of a button is simple as pi. It stands to reason that making a musical instrument out of the same components is not that difficult of a stretch. Thankfully Arduino’s Tone class used with an active buzzer makes this easy!
–4x button touch switch
-220 ohm resistor
-4x 10k ohm resistor