10th Jul 2013

Dinky Motor Experiments

I made a few revisions and am in the midst of a few experiments with the Dinky Motor project. The video is at the bottom. Armature I added some features...

05th Jul 2013

Dinky Motor Testing

Tonight was a Dinky Motors group build. The test group was just right so it was fun and we all learned a lot. Especially me. We had a lot of people...

01st Jul 2013

DIY Electric Motor Assembly

The electric motor project is coming along well. Here’s the latest revision based on 200 turns of 28 gauge wire per side. It’s probably the most powerful one so far. It even...

19th Jun 2013

Electric Motor Gearbox

Here’s another version of the Simple Electric Motor project. I added a 4 stage gearbox to make it more fun and interesting. Each stage has a 4:1 gear ratio. Here are...

19th Jun 2013

Lumipendant

Firefly concept and electronics.[/caption] Welcome to the Lumipendant project! It’s a collection of art projects involving interactive wearable pendants for social settings. The social network becomes part of the medium. This...

14th Jun 2013

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...

12th Jun 2013

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...

12th Jun 2013

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...

11th Jun 2013

Business Cards from LP Records

I make business cards out of cutoffs (waste material) and with my vinyl clock project I wound up with extra vinyl. Here’s the latest version. The spindle is a 45...

04th Jun 2013

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...

02nd Jun 2013

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...

01st Jun 2013

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...

08th May 2013

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...

06th May 2013

Hey Kids! Red’s Not a Primary!

That’s right! It’s a primary for light but not paint. The red, green and blue circles (below left) show primary colors for your eye. The additive RGB system reflects human physiology since we have receptors corresponding...

05th May 2013

To the Park, Squirrel in Hand

Yesterday I took a nice walk in the park just for fun. Of course I brought a Squirrel model plane with me. What a pleasant afternoon! Anybody want to come...

05th May 2013

Foam Planes

I made up this batch of Foam Squirrels for a group of kids in Montreal. I don’t sell these yet but I must say they are great flyers.