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Ready to give your electronic projects a melodic twist? In this hands-on tutorial I show you step-by-step how to build a DIY music box powered by the legendary 555 timer IC . We’ll turn simple resistors, capacitors, a CD4017 decade counter and a tiny speaker into ten crystal-clear notes, all on one compact breadboard.

Even if you’re new to solder-free circuits, you’ll learn to calculate frequency, tweak tempo, and sequence pitches like a pro. Along the way I cover wiring diagrams, component values, troubleshooting tricks, and clever upgrades for volume and battery life—no expensive microcontroller required!

Video Chapters
00:00 - Introduction
00:41 - Required Components
01:19 - Explanation of the 555 Timer IC
02:13 - Set Up the Circuit With 555 Timer IC
13:49 - Explanation of the Circuit Diagram

About Channel: Electro University was created to meet the needs of those who want to learn electronics from scratch. We offer a range of resources for beginners, including a YouTube channel and a blog featuring tutorials. We release new tutorials every week.

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