Hacked Gadgets Forum

October 21, 2006


at 6:03 am. Filed under DIY Hacks, Electronic Hacks, Funny Hacks


The Jack-o-LED project lights up a pumpkin with color changing LEDs. This puts the single color pumpkins to shame…

“So a couple of weeks ago I was grocery shopping, and on a whim, I bought a pumpkin. I hadn’t made a jack-o-lantern since I was a kid, and I decided to try to do something interesting with it.
I found some really cool patterns that I was going to try to carve in, like Jimi Hendrix.

I quickly realized that I had neither the patience or the ability to carve something that intricate, so I decided to use a little nerdery to make up for my lack of artistic talent. After scooping out the guts and carving an old school, evil-eyed, jagged-toothed, jack-o-lantern, I decided to do something a little different to light it.”


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5 Responses to “Jack-o-LED”

  1. Michael Metalios Says:

    Could we get some details on the circuit please? I haven’t jacked with electronics in so long, but want to get back in to it. My expertise to be able to identify what’s in that circuit and how it’s set up diminished a long time ago.


  2. Alan Parekh Says:

    Hi Michael,

    There is a schematic on the creators site (click on the link within the article).

    To know what the items in the schematic are there are some useful links here:

  3. Matthew Manning Says:


    is my original article. This snippet explains the point of the project, but leaves out a lot of the informative stuff.

    Like a previous comment said, there is a schematic on the original page where you can see all of the components. If you want to understand how the 555 timer works, here’s a tutorial I just found by googling:


    I’ll try to answer any more questions that anyone might have.

    Thanks for being interested in my project.

  4. rIfKa Says:

    yeah, i heard the guy that did this project is mighty fine. and mighty fine at making flashing pumpkins that children are scared to death of.

  5. Matthew Manning Says:

    I move my stuff around too much. The full article with schematics and all is now located here:


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