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Quadrotors!

November 20th, 2012

For the past two weeks I have been diving into the world of small unmanned aerial vehicles.  Why?  Well why not?  Check out  a selection of my favorite videos:

 

And watch this RIGHT NOW!

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12 Watt Guitar Amplifier Printed Circuit Board

July 19th, 2012

 

This project was conceived as part of a printed circuit board (PCB) assignment for my institution (Univ. of North Dakota).  The whole thing proceeded a little haphazardly over the course of about a month and a half, culminating in the fabrication of the board and the report I ultimately turned in. (more…)

Guitar Amplifier PCB Project Begins

May 31st, 2012

 

Above is a schematic for a simple 12-volt guitar amplifier.  I recently simulated this design in Multisim–which came out of Randy Slone’s text Electricity and Electronics–and am having the PCB board manufactured through Advanced Circuits out West.  I am actively looking on Craigslist for an old speaker cabinet to retrofit with this board.  I’ll talk more about the design as this thing progresses a little further.

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New Electronics Laboratory is Born

May 20th, 2012

 

I’m not sure if this picture does justice to the surface of this work bench.  It’s a joy to work on and looks a lot like the clear hemlock sold on the west coast.  With a couple coats of shellac this work bench came out nice.

 

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Autonomous Car Trailer

April 29th, 2012

 

This video demonstrates the autonomous car operating on some primitive code with an ultrasonic distance sensor.  The project had its difficulties, but this was a surely satisfying moment.  The autonomous car was designed as the final project for an Embedded Systems class.  The concept was loosely based on the potential for car accident prevention through autonomous motion. In this post I’ll describe what we did.

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Tribute to Great Online Tutorials

April 11th, 2012

 

In this post, I want to pay tribute to those who have shared their knowledge publicly by posting online tutorials.  This medium is a democratizing force for good, and the fact that it’s all given freely makes it all the more brilliant.  There are millions out there on youtube, in all fields and subjects.  The online tutorial has become an art form.  I’ll share a few of my personal favorites:

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Autonomous Car Project Gets Underway

March 27th, 2012

 

This project is part of an assignment for my embedded systems class, and involves two classmates.  In this post I’ll give a basic outline of our goals and post some block diagrams and datasheets for posterity.  Basically, the goal is to build a vehicle that can follow another vehicle autonomously, and all the main components are shown above.

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Deconstructing an Inkjet Printer

March 20th, 2012

 

Those who have ever tried it know: it is not very easy to take a printer apart.  My friend Andrew and I were interested in trying and in extracting the stepper motors for future projects.  The process was informative, involved many unusual tools and some brute strength, and ultimately took a couple hours.  Unlike Andrew, I remained relatively unstained by toner.

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Pneumatic Display Project Begins

January 3rd, 2012

I recently began work with an interactive NYC-based artist (Anoine Catala) on a pneumatically-activated display.  I think it’s an unusual but exciting concept.  For an example see Chris Harrison’s research (http://www.chrisharrison.net/index.php/Research/PneumaticDisplays).   (more…)

Custom Electric Guitar

December 21st, 2011