LED Blinking Patterns

Solving Approach

How do you plan to solve it?

Four LEDs connected to pins 2, 3, 4, and 5 with resistors to limit current.

Push button connected to pin 7 configured with INPUT_PULLUP.

Button handling:

Implements debouncing to avoid false triggers.

Changes patterns on button press using % math to cycle through all patterns.

Pattern system:

Uses function pointers to dynamically call the active pattern.

Five total LED patterns with different behaviors.

Custom patternDelay () function checks for button press during delays.

Patterns:

Pattern 1: All LEDs are blinking at once.

Pattern 2: Alternating LEDs.

Pattern 3: Running light (single LED running).

Pattern 4: Two LEDs going at once.

Pattern 5: Knight Rider (back and fort).
 

Code

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Output

Video

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