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by Michael Park, Treasurer on January 31, 2013

in Projects,The Big-Brained Superheroes Club

I occasionally volunteer with the Big-Brained Superheroes Club, an after-school program for young people. The other day, the kids were learning about binary numbers and I thought to myself, “Self, you should build an electronic binary-to-decimal converter, with LEDs and toggle switches. Yeah!” So I did.DSCN6220a
Well, building it was fun, and I could spend all day flipping those toggle switches up and down, but the real test was seeing how the kids would take to it. Let’s go to the videotape:

By George, I think she’s got it! Read the BBSC blog post.

Btw, the device needs a name. If you have a suggestion, leave it in the comments below.
Also, you might have noticed that the device can display four decimal digits, but only needs three (the biggest 8-bit binary number is 255). Got an idea for what that fourth digit should do? Comment!

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