Skip to content
World 2 · Sound World · 4 min

Sound World: meet the parts

Buzzer, Speaker

Teaching this? Open projector mode

In the Sound World you explore simplified virtual circuits on a 3D workbench. Here are the parts you will meet.

🔊 Buzzer — Makes a beep sound when powered.

📢 Speaker — Turns a changing electrical signal into sound. This game uses a simplified sound part.

Buzzer: Boop! I'm Zümre the Buzzer.

Buzzer: Give me power and I'll beep. I have polarity too — long leg is +, short leg is -.

Guide: Wire me up like an LED to hear me sing.

Guide: Make a doorbell — buzzer only beeps when the button is pressed.

LED: I'll be the warning light. When the alarm sounds, I light up too!

Speaker: I’m Hopa the Speaker. In this game I make sound when powered. A real speaker needs a changing audio signal and a suitable driver.

Speaker: On this virtual board, give me my own path across Bora’s + and – sides. The simplified game checks whether I have enough power.

Guide: Two buzzers? You can! Try wiring them in parallel and powering them with one switch.

Next lesson →

Report a mistake

What is wrong?
0 / 2000 · at least 10 characters
Sent along with your report
  • Page
  • About Sound World: meet the parts — Circuits for Kids · kidstronic/sound-parts
Plus your browser type. Reports go to our support system; see the privacy notice.