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Posted August 24, 2013 by Chris
“Recently I’ve been working on a quadcopter UAV project. The on-board electronic system includes 3-Axis Gyro, GPS/INS, AHRS, 5.8Ghz FPV transmitter, GoPro Hero camera and a small Gumstix computer.”

Posted May 5, 2013 by Chris
“Here you will find some info and see some pictures of the second RGB laser projector I built….also see how others have modified their Laser Projectors.”

Posted April 23, 2013 by Chris
“This amazing looking device is a quadcopter that was designed by me and my team at the University of Victoria….The purpose of the project was to create a DIY quadcopter for under $200 and push the limits of what the 3D printer in our laboratory can do.”

Posted March 16, 2013 by Chris
“Received the parts a couple of days ago and since then have assembled the quad in what little time I had away from work. I’m going to run through the physical build process in this post and give a detailed rundown of every part that was used.”

Posted September 12, 2012 by Chris
“So being the EE that I am, this got me to thinking: wouldn’t this be even more fun if we could measure muzzle velocity? It shouldn’t be all that hard; we could just hook up a couple LEDs and photo-detectors, fire through the beams, time it with a microcontroller, and voila! So, that’s precisely what I did, except that I decided to go with a couple cheap laser diodes instead of LEDs.”

Posted August 17, 2012 by Chris
“I’ve done more trials since I posted about the etching solution yesterday. Some of them have failed, so I thought it best to present the recipe as a movie – so you get to see how the chemical process should work.”

Posted August 3, 2012 by Chris
“Using a voltage multiplier is a great way to make a high voltage DC power supply. It is very easy to generate high voltages from easily available components. This page contains information on where to buy the components and how to connect them. It also gives details of sources of mini high voltage power supplys (inverters) which will run from batteries.”

Posted July 8, 2012 by Chris
“Dubbed the PropEKG, the design uses an AD627 instrument amplifier and TC1029 dual op amp. Data is processed by the Propeller and relayed to a Windows PC using a Parallax PropPlug.”

Posted July 7, 2012 by Chris
“Now the hardware for my Quadcopter and a good portion of the software is complete for the quadcopter. The hardware really consists of 4 parts: The controller board, the quadcopter XBee board, the USB XBee board and the quadcopter frame with motors and ESCs.”

Posted June 26, 2012 by Chris
“After taking a year off to build a 2WD electric kick scooter, we’re back at work on the go-kart. We’ve joined the 21st century and changed to lithium-ion batteries, which net a weight savings of over 100lbs.”
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