Key Switch

May 7th, 2015

Key Switch from SparkFun

I’m excited to use these key switches in some robots. Only the key master can activate the bot.

Just Got Myself a Vacuum Former

April 27th, 2015

First Tests

Just got a little vacuum former, typically used by dentists and orthodontists. It kind of looks like an espresso maker, but it does a really nice job. Love new tools.

Vacuum Former

Experiment with Turned Aluminum and Powder Coating

April 27th, 2015

Turned Aluminum, Then Powder Coated, Then Turned Again

A quick experiment. I turned some aluminum on the metal lathe, then powder coated it orange, then turned just some of it again. The edges look really crisp.

Turned Aluminum, Then Powder Coated, Then Turned Again

Powder Coated Turned Aluminum

Milling Time: The (Near) Future of Desktop Milling

April 27th, 2015

My final article (for now at least) in the Milling Time series is up on Tested.

Thanks Norm for all of your help.

Stuff on Sticks

April 26th, 2015

Things on Pedestal

Amazing how if you literally put something up on a pedestal, it makes that something a little more special.

Robot Rabbit Skeleton

April 16th, 2015

Outside and Inside

Been working on a ridiculously involved internal structure for a robot toy. CNC’d aluminum, custom circuit board, off the shelf hardware — all to be covered up by some tin cans.

As I mentioned before, I’m proud of the 9 Volt battery holder solution. And yes, those are Knight Rider eyes.

Robot Skeleton

Robot Skeleton

Robot Neck How To

April 16th, 2015

I mentioned before that a slip ring and a caster swivel make for a great robot neck. Here is a video with more details. Thanks Jeff.

9 Volt Battery Holder

April 16th, 2015

9 Volt battery in place

I have yet to find a decent 9 Volt battery holder. So I’ve just designed it into the internal structure of my latest robot.

Layers stacked up

A bunch of CNC’d aluminum plates held together by standoffs. The battery sits in a cutout and a set screw holds it in place from the bottom. More to come.

1/8" thick aluminum cut by Othermill

Othermill and ITP

April 16th, 2015

What You'll Need

A nice story about the Othermill, ITP, and some projects we’ve been working on at the Other Machine Co. site.

Milling Time: Testing the Roland MDX-540 4-Axis CNC

April 13th, 2015

Mid Cut

My latest Milling Time article is up on Tested. I reviewed the Roland MDX-540 4 axis we have at ITP.