Smart Electronics Kits NE555+CD4017 Light Water Flowing Light LED Module DIY Kit – A hands‑on learning experience that turns simple water flow into a dazzling LED light show. Perfect for kids, hobbyists, and anyone curious about electronics.
Why This Kit Stands Out
- Dual-IC Powerhouse – Combines the NE555 timer with the CD4017 decade counter for precise timing and sequential LED control.
- Water‑Activated LED Display – Watch LEDs light up in sync with water flow, creating a mesmerizing visual effect.
- Educational Value – Demonstrates key concepts: oscillators, counters, digital logic, and the relationship between analog input and digital output.
- Kid‑Friendly Design – Safe, easy‑to‑assemble components with a clear, step‑by‑step guide.
- Durable Build – Includes a robust plastic housing and waterproof connectors for repeated use.
- Compact and Portable – Ideal for classroom labs, science clubs, or home tinkering.
What’s Inside the Box
- NE555 Timer IC
- CD4017 Decade Counter IC
- 10x 5mm RGB LEDs (12V compatible)
- Resistors, capacitors, and a 12V power supply adapter
- Water‑proof sensor module with flow‑trigger switch
- Pre‑wired PCB board and mounting hardware
- Comprehensive instruction manual with diagrams
How It Works
The NE555 generates a square wave that triggers the CD4017 to cycle through its 10 outputs. Each output powers a set of LEDs that illuminate in sequence. When water flows through the sensor, it activates the NE555’s trigger pin, starting the LED animation. This simple yet powerful circuit demonstrates how an analog input (water flow) can control digital outputs (LEDs).
Perfect For
- School science projects and STEM workshops
- After‑school coding and electronics clubs
- Parents looking to spark curiosity in their children
- DIY enthusiasts wanting a fun, low‑risk circuit to experiment with
Key Benefits
- Builds confidence in electronics through tangible results
- Encourages problem‑solving and critical thinking
- Provides a foundation for more advanced projects (e.g., microcontrollers, sensors)
- Encourages creativity with custom LED patterns and timing adjustments
Order your Smart Electronics Kits NE555+CD4017 Light Water Flowing Light LED Module DIY Kit today and turn everyday water flow into a spectacular LED learning adventure!
Price: Original price was: $ 4.74.$ 1.56Current price is: $ 1.56.

