The LED Chaser Circuit is a beginner‑friendly electronic kit that creates a dynamic running‑light effect using ten LEDs. Powered by an NE555 timer and a CD4017 decade counter, it produces the classic Knight Rider scanning pattern, making it both an engaging learning tool and a practical lighting effect generator. The skipping forward‑and‑backward sequence of LEDs provides a clear visual demonstration of timing circuits and counters in action. This kit is highly recommended for students and hobbyists as a foundation before exploring programmable platforms like Arduino.
Specifications:
| ICs used | NE555 Timer, CD4017 Decade Counter |
| LED Count | 10 LEDs |
| Operating Voltage | 5V DC |
| Power Supply Required | External 5V regulated supply |
| Skill Level | Beginner-friendly |
Key features:
- Skipping forward-and-backward pattern for dynamic animation
- Classic Knight Rider effect when clock pulses are fast
- Hands-on learning of timing circuits and digital counters
- Ideal for electronics education and visual lighting projects
- Builds foundational skills before transitioning to Arduino or microcontroller platforms
- Requires soldering iron, soldering lead, and 5V power supply
