Level: Classic

Let's make some music

The Melody IC drives a passive buzzer. It is faint on its own.

Open in the 3D builderReserve a kit
+−3VUM66+OUTpassive
RunningIt works!Current flows from the battery's + side, through your blocks, and back to −.
  • Buzzer faint

Try this

Turn the sound on. Then try the louder version.

Blocks you need