Voice-Activated LED Water Light Kit – CD4017 DIY Electronics

$8.65 $10.09

Voice-Activated LED Water Light Kit – CD4017 DIY Electronics Project

Bring your electronics projects to life with the BS Voice-Activated LED Water Light Kit. Powered by the classic CD4017 decade counter IC, this kit creates a stunning cascading "water flow" LED light effect that responds to sound — clap your hands, speak, or play music and watch the LEDs dance in sequence. Whether you're a hobbyist, student, or maker, this is the perfect hands-on introduction to analog and digital electronics.

Made in Mainland China.

Why You'll Love This Kit

Voice/Sound Activated: An onboard microphone picks up ambient sound to trigger the flowing LED light sequence — great for interactive displays and experiments.
CD4017 Decade Counter: Learn how this fundamental IC drives sequential LED outputs — a core concept in digital electronics education.
Wide Voltage Range: Operates on 4V–12V, making it compatible with common batteries, USB power banks, and bench supplies.
Wide Operating Temperature: Rated for -40°C to 80°C, so it performs reliably in a variety of environments.
DIY Soldering Project: Ideal for electronics students and beginners — solder the components yourself for a rewarding hands-on build experience.
No High-Concern Chemicals: Kit components are free of high-concern chemical substances.
Compact & Customizable: Small form factor, customizable for integration into lanterns, display panels, science fair projects, and more.

Technical Specifications

Core IC: CD4017 Decade Counter
Effect Type: Sequential / "Water Flow" LED
Trigger: Voice / Sound Activated (microphone input)
Supply Voltage: 4V – 12V DC
Operating Temperature: -40°C to 80°C
High-Concern Chemicals: None
Condition: New
Quantity: 1 Kit
Origin: Made in Mainland China

Who Is This For?

This kit is perfect for:

Students learning electronics and circuit theory
Makers and hobbyists building interactive light displays
Science fair and school project participants
Anyone who enjoys soldering and DIY electronics builds

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Frequently Asked Questions

Q: What power supply does the Voice-Activated LED Water Light Kit require?

A: The CD4017 LED water light kit supports a wide supply voltage range of 4V to 12V DC. You can power it with AA batteries, a 9V battery, a USB power bank with a voltage booster, or a bench power supply within this range.

Q: Do I need soldering skills to assemble this DIY electronics kit?

A: Basic soldering experience is helpful, as this is a through-hole DIY kit designed for hands-on assembly. It is an excellent beginner-to-intermediate project for those learning to solder and understand electronic circuits. A soldering iron, solder, and basic tools are required (not included).

Q: How does the voice activation feature work on this LED kit?

A: The kit includes an onboard microphone that detects sound — such as clapping, music, or speaking. When sound is detected, it triggers the CD4017 decade counter IC to advance the LED sequence, creating a flowing "water light" animation that reacts in real time to the audio environment.

Q: Can this kit be used inside a lantern or decorative enclosure?

A: Yes! The compact board and wide operating temperature range (-40°C to 80°C) make it suitable for integration into lanterns, display cases, science projects, and custom enclosures. Its customizable design allows you to adapt it for a variety of creative applications.