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Floppy Music Thing
I made one of those floppy drive music things that I keep seeing online. It’s mostly standard based on existing info, but I did made two somewhat interesting changes. Read on for details. First, made...
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SketchUp
I’m learning SketchUp, and I just realized something…my room has an absolutely terrible layout.
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I’m building a desk
Because of how badly laid out I found my room is in the last post, I’ve been designing a new desk in SketchUp. After a million iterations, here’s my design: Using SketchUp for this has been...
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TerrorBytes Countdown Clock
The masses have spoken! After my wildly successful debut as a blog post writer, Tyler and I have collaborated to create a post so exciting that we may just increase our readership to tens of people!...
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The Pandaphone
I was looking for a gift for my friend’s son, who’s about a year old. I realized that everything I was looking at was just various enclosures with chips that made sound and light…that’s the kind of...
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3D crap
I got a 3D printer (a PrintrBot Simple Metal model 1403), and it’s been great. I don’t have time to write much, so I’ll share highlights: I’m on Thingiverse here. I’ve already put up a bunch of crap,...
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Fixing a PrintrBot with open source parts
I really like my PrintrBot. It’s compact, reliable, and straightforward to build. Unfortunately, when I started getting ambitious with experimentation, I got into trouble. Basically, I started...
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Using Nylon trimmer line with a PrintrBot and Gaffer’s Tape
People have been experimenting with Nylon trimmer line for a while, and I wanted to give it a shot, since nylon is tougher, more flexible, smoother for moving parts, and can handle higher temperatures....
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Here’s some huge wallpapers made of math
I don’t feel like writing a big post explaining all of it, so the summary is that I spent a few hours playing with colorspaces, Hilbert curves, and image generation, and produced some stuff that looks...
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Generating 3D-printable pieces directly from EAGLE PCB designs
NOTE: Everything involved in this post is available for download here. I while back, I made this PCB that acts as a big daisy-chainable two-digit 7-segment display using the WS2803D and discrete LEDs....
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How to make a ton of clear LEDs into diffuse LEDs
Step 1: Make a rock tumbler out of some threaded rods, bearings, a motor, and a spaghetti jar: Step 2: Get sand. If you don’t live in a beach/desert, you can probably get some for free from a...
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AC power control without touching AC power
In this article I’ll show a simple 3D design for a servo mount to control a light switch for about $3, plus some electronics to drive it with a neat little interface. This article explains how I used...
View ArticleDIY Hall Effect Tachometer
Magnet sensor (A3144’s) + magnets + spinny disc = tachometer. Here’s the quick and dirty code I used — it’s good enough for a demo. EDIT: Ha, I found a video of someone else doing the same thing, but...
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MC Escher “Concentric Rinds” in 3D
I recently saw the M.C. Escher exhibit at the NC Museum of Art, and one piece that stuck with me was Concentric Rinds: The geometry bugged me for a while until I finally figured it out and sketched it...
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Adapting an mSATA card to a 2.5″ laptop bay
Here’s the short story in picture form: Model available here. More pictures:
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Mostly Printed CNC under construction
I’m building this thing; will report if successful.
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