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Fusion 360Autodesk
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Heart LED chaser
What is this project? A heart-shaped LED chaser PCB with lights running around the outer edge — a handmade gift with a personal touch.
Why did I make it? I made this for my girlfriend as a gift. I wanted to give her something unique and handmade rather than something off a shelf — something that shows a bit of thought and effort. A glowing, chasing heart felt like the perfect way to combine my love of electronics with something meaningful and personal.
How does it work? A 555 timer generates a steady clock pulse, which feeds into a CD4017 decade counter. Each pulse advances the counter to the next output pin, lighting the next LED in sequence around the heart's edge. The result is a smooth, continuous loop of light chasing around the heart shape. The speed of the chase can be tuned by adjusting the resistor and capacitor values on the 555 timer.
Heart LED chaser
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Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
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