Easy Wind DC Motor
Here is the latest version of the DC Motor project. Improvements over the last version are as follows. Commutator: This is a wound commutator that uses the same piece of...
Summer is here!
Let’s fly some rubber band planes planes at the park!
A Printable Paper Plane!
Instructions to print and make your own paper plane.
Sparrow Model Airplane
Sparrow Model Airplane available in Ottawa!
Painting Robot
A painting robot in the works!
Model Aviation
Designer of model airplanes and cool flying things.
Time to make Mothers Day cards! Here’s the last card making session.
I think it would be nice to make a bunch of cards for a bunch of occasions all at once.
Bark-B-Gone
Does your puppy bark excessively? This American Eskimo puppy sure likes barking. But don’t panic, there’s a solution! Bark-B-Gone! Actually the yogurt container isn’t actually stuck on his nose. It...
DIY Two Pole DC Motor
I worked on the Easy Motor kit for kids project today. I am hoping I can get something very simple that kids can snap or glue together to learn about...
Business Cards from Records
A friend of mine asked me if I could figure out how to cut records for a joint project. As it turns out you can CNC mill records into whatever...
How to Cut Records
Hector Tovar has been using records as a medium for art. Cutting records manually isn’t just time consuming it’s hard work, even with the use of a Dremel rotary tool....
DIY Electric Motor for Kids
My friend Bill Kuhl has been making electric motors from kits (among other things of interest to science teachers). The photo with the red wire is one of the kits...
Is Your Phone Really Solar?
I keep seeing these links in Twitter and elsewhere of low cost solar phone chargers. What bugs me is a lot of it wrongly inflates the public expectation of solar...
Simple DIY Galvo
I am experimenting with a simple galvo for directing a laser pointer to draw images on a surface. A galvo is a mechanism that moves a mirror. You shine a...
Work Space Lighting
I’ve got a fairly good solution for general lighting in my main workspace. I’ve got these inexpensive 250 and 500 Watt halogen lamps. The downside is they burn out often....
How to Fix a Cordless Drill
The Good: I was given a Makita 7.2V cordless drill. It’s nice and tiny with variable speed, reversing and key-less 3/8″ chuck (discontinued but $125 on ebay). The Bad: The batteries...
Did You Make Your Mothers Day and Fathers Day Cards Yet?
I’ve been making unusual cards and business cards lately so I decided to make my Mothers Day card. I also decided to make a Fathers Day card at the same...
Primary Colors
The left diagram shows primary colors for the human eye (red, green, blue). This “additive” system is from eye-physiology which includes receptors for light corresponding to those three color experiences. Secondary...
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