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9b32162 · · Dec 2, 2025

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Lightbulb-LED-Chaser

This is a submission to Prototype. It's a LED Chaser in the shape of a light bulb. It's powered by a 555 timer and a 4017 IC.

I've attached the Bill of Materials here.

3D Model

I like how EasyEDA has all the 3D models of the components preinstalled. It definetly saved me some time from searching online.
3D View

PCB

First time using EasyEDA, so I definetly struggled a bit on the schematic and PCB.

Schematic: PCB:
Screenshot 2025-12-01 165026 Screenshot 2025-12-01 165130

Final Thoughts

I recently learned a bit of KiCad for my hackpad submission. After using both EasyEDA and KiCad, I can confidently say that I like KiCad better. Creating the schematic and PCB on KiCad seems more smooth to me. I'm pretty proud of this project, because integrated circuits never really made sense to me before.

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This is a submission to Prototype.

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