Posts tagged as:

open source

Crazy Circuits Unboxing

November 15, 2017

I was pleasantly surprised today to get a package in the mail. When I shook it, it rattled just the same way that Legos do, but I knew that what was inside was electronics. Electronics which are as much fun to play with as Legos… This package is from Brown Dog Gadgets, a local educational […]

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Open Source AC Motor Controller Test.

June 18, 2012

While I’ve been out of town the last few days, some of my friends have been very busy on other projects. That includes our buddy, MPaulHolmes, who just posted a video of a first official test of the Open Source AC motor controller. If you want to follow the progress on the project, please check […]

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The DIY, Open-Source, Plug-In Hybrid SuperTruck!

May 29, 2012

 Well, it’s time to throw my hat over the fence.  What? You’ve never heard that term before? Ok, let me explain. Let’s say that you really  want to get yourself over the top of a fence. But it’s tall, and the top is pretty pointy. Maybe you’ll do it tomorrow.. So here’s what you do. […]

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A visit to the Open Source Ecology project

November 10, 2011

This past weekend, I had a chance to travel to Missouri, to the Factor-E Farm, home of the Open Source Ecology project. While you may already know about the project from the TED Talk presented by Marcin Jakubowski, some friends from the local ecology group and I wanted to go see the project in person. Not […]

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VIDEO: Build Your Own Electric Car Motor Controller (Open ReVolt)

June 11, 2011

Last weekend, I had a great time at the Mother Earth Fair in Puyallup, WA. My friend Paul met me at the airport. Both he and I were presenters at the Fair. It was great to have such a fantastic audience for our presentations. Since I was already there, and had my camera handy, I […]

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Open ReVolt motor load testing, the cheap and easy way.

April 1, 2010

My friend Chris is building an all-electric motorcycle, but  the best part is that he’s doing it with a very nice Open Source Controller. Built from a kit slightly modified from  Paul and Sabrina’s EV Stuff, the controller will handle 144V at up to 700 amps! Also, Chris’ cycle is off getting a body designed […]

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Chris’ Open ReVolt motor test

March 21, 2010

Chris has been real busy the last few days finishing off his ReVolt Open Source EV Motor Controller. He had a few concerns about hooking everything up right and trying it out. I suggested he simply hook it up to any small motor to play with it and make sure all works as advertised. Sure […]

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Open ReVolt – Another controller completed!

March 20, 2010

A while back, by friend Chris from our local EV Club started converting a motorcycle to electric. When it came time to find a controller, he wanted one that was good, fast, and cheap. Rather than settle for the usual two-out-of-three, he instead decided to build an Open ReVolt Controller. At about the same time […]

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