Peggy hacks

Peggy hacks

Evil Mad Scientist Labs has put up a page on recent developments in their Peggy 2.0 Light Emitting Pegboard, including a round-up of Peggy-related hacks, including some incredibly cool Peggy animations.

The Peggy Strikes Back

8 thoughts on “Peggy hacks

  1. Odin says:

    Why is this considered a hack? Isn’t the Peggy a kit for making LED’s light up? Does this mean that anything with a microcontroller is considered a hack?

  2. Leadhyena says:

    Man I hate to be the math nazi, but your summation is messed up. The summation doesn’t exist because N ranges from 0 to inf, and since 1/0 is the first term the whole result is undefined. To be totally correct you’d need to use lim_(n->inf)[sum(i=1..n) 1/i]. Since that’s hard to fit on a lightboard, changing the 0 to a 1 will do the trick. I mean it all diverges anyway, what’s the point? :D

  3. Windell Oskay says:

    Odin: Some of these demos that we linked to are true hacks, involving clever hardware changes and software mods on multiple levels. Others might better be classified as “mere” programming, but we prefer not to pick those particular nits.

    Leadhyena: Help keep math jokes funny: don’t explain them. ;D

  4. NiñoScript says:

    Windell Oskay: I don’t think that was a joke. What Leadhyena said is correct. It’s undefined if it includes 1/0, becouse there is no number that if multiplied by cero is equal to 1.

    Btw, i liked the actual hacks :)

  5. Lenore says:

    NiñoScript: If Windell says the thing he put on the Peggy is a math joke, I believe him. Just because I don’t get it doesn’t mean it isn’t funny.

  6. Odin says:


    I understand posting this. It does belong in this blog, just don’t call it a Peggy Hack.

  7. The Oracle says:

    I clicked the link to point out the Math error. They should have used n^2, at least it converges.

    Or a famous expression like e*iPi – 1 = 0.

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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at

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