CD4017 Voice Activated LED Rotating Light DIY Soldering Kit

CD4017 Voice Activated Colorful Rotating LED Light DIY Soldering Kit

Build your own dazzling sound-reactive light display with this CD4017 Voice Activated Rotating LED Kit! Perfect for electronics students, hobbyists, and makers, this DIY soldering kit uses sound signals to drive 10 colorful LEDs in a flowing "chasing light" sequence — making it a hands-on, visual way to explore counters, frequency dividers, and lantern controller circuits.

Key Features

• Sound-Reactive LED Sequence: Microphone picks up sound and triggers 10 LEDs to cycle in a rotating, flowing pattern — stunning visual feedback in real time.
• CD4017 Decade Counter IC: Learn how the CD4017 chip works as a counter, frequency divider, and light sequencer through hands-on assembly.
• Compact Round PCB: 1.6 mm thick, 48 mm diameter circular circuit board — neat, sturdy, and easy to work with for beginners and intermediates alike.
• 5V DC Power Supply: Low-voltage, safe operation powered by a standard 5V DC source (USB-compatible).
• All-in-One Learning Kit: Includes all electronic components needed for assembly — great for school projects, STEM education, and maker workshops.
• Soldering Practice: An ideal project for practising through-hole soldering skills with a rewarding, functional end result.
• Fun & Practical: The completed kit doubles as a colorful desk decoration or light effect display.

Specifications

What You Can Learn

This kit is a fantastic hands-on introduction to digital electronics concepts including:

• How decade counter ICs (CD4017) work
• Frequency division and clock signal basics
• Sound-to-trigger circuit design using a microphone
• LED sequencing and flowing light patterns
• Through-hole soldering technique

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Frequently Asked Questions

Q: Is this CD4017 LED kit suitable for beginners learning to solder?

A: Yes! The CD4017 Voice Activated Rotating LED Kit is designed as a beginner-to-intermediate DIY soldering project. The through-hole components on the compact 48 mm circular PCB are straightforward to assemble, and the visual result — 10 colorful LEDs cycling in a sound-reactive sequence — makes it an immediately rewarding learning experience for students and hobbyists.

Q: What power supply does this LED kit require?

A: The kit operates on a standard 5V DC power supply. This makes it compatible with common USB power sources, phone chargers, or bench power supplies — no special adapter required.

Q: Does the kit include all the components needed for assembly?

A: Yes, this is a complete DIY electronic kit that includes all the necessary electronic components for soldering and assembly, including the CD4017 IC, LEDs, microphone, resistors, and the PCB. A soldering iron and solder wire are required but not included.