Key benefits Interactive 10 LED chaser: creates a dynamic, visually appealing display with a clear LED sequencing pattern that enhances decorative lighting, signage, and hobby projects. Reliable NE555 timing: uses a selfstriking multivibrator with NE555 for stable operation and dependable performance in continuous use. Synchronized control with CD4017: integrated CD4017 ensures coordinated LED sequencing and smooth transitions between lights. Precise timing for consistent output: exact loading and discharge times provide a predictable, continuous vibration effect with minimal timing drift. What it is designed to do Provide a compact, easytoimplement LED chaser circuit that delivers a reliable, synchronized light sequence using standard timer and counter ICs (NE555 and CD4017). Deliver consistent performance through accurate timing characteristics, helping designers achieve repeatable results across projects. Key attributes Function: 10 LEDs form an interactive chaser display with synchronized sequencing. Compatibility: designed around standard NE555 timer and CD4017 counter circuits for easy integration into existing electronics projects. Size: compact form factor suitable for hobby builds and compact installations. Material: built with common, offtheshelf components typical of timercounter LED modules. Performance: reliable timing, precise loading and discharge times, and smooth LED transitions. Use scenarios Decorative lighting for electronics projects, cabinet displays, or art installations where a dynamic LED sequence adds visual interest. Educational demonstrations to illustrate timer (NE555) operation and counter sequencing (CD4017), useful in classrooms or maker spaces. Prototyping accessory for small devices or DIY projects that require a repeatable LED chase effect without complex microcontroller programming. Notes The module integrates NE555 for timing control and CD4017 for LED sequencing, delivering synchronized and visually appealing results with a straightforward, maintainable design.