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Category Archives: Electronics
Convert 120 V AC to 3.3 V DC without a transformer
I finally made some progress with the AC to DC converter (without using a transformer.) I recently graduated from NAU and got a job, so I actually have a little more time on my hands to work on stuff like … Continue reading
Posted in AC-DC Converter
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Final Freqency Synthesizer Design
Unfortunately, I never had the extra time needed to post the progress of the frequency synthesizer school project. However, you can view all the info pertaining to the project at the website I created for the project: http://www.cens.nau.edu/Academic/Design/D4P/EGR486/EE/08-Projects/Wulfsberg/ Creating the … Continue reading
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Frequency Synthesizer
The Electrical Engineering Department at Northern Arizona University (NAU, where I am a student) provides a senior level capstone design course for students. The senior students are grouped into teams and work with sponsors to complete an advanced engineering project. … Continue reading
Posted in Frequency Synthesizer
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Coil Gun Results and Explanations
Several months ago when describing how the build the coil gun, I mentioned that I would explain some of the “extras” that we implemented in our coil gun project. I will explain the mounting brackets and the opto-interrupters here, as … Continue reading
Posted in Building a Coil Gun
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Simple Coil Gun
The next project that I’ve been working on (with a partner) for my electromagnetics course is an “EM Buffet Lab.” In other words, we get to choose what we want to build, as long as it is EM related, and … Continue reading
Posted in Building a Coil Gun
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Small AC-DC converter
One of my goals recently has been to make a small (no transformers) application-specific AC-DC converter. Here are the specs I need to meet: Iout > 15 mA (DC) 3.0 V < Vout < 32.0 V (DC) The reason I … Continue reading
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Senior Capstone Project – Frequency Synthesizer
It looks like our capstone project will be changing. Instead of doing the Assistive Technology project, we will be designing a frequency synthesizer for someone’s project at Wulfsberg Electronics in Prescott, AZ. It looks like it will be a very … Continue reading
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Senior Capstone Project – Assistive Technology
Today we are finally getting our project assignments for EE 486 (our Electrical Engineering senior capstone project.) We were supposed to get them last week, but one of the project sponsors (who was actually sponsoring 3 of the available projects) … Continue reading
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Junkyard Generator – update
My group and I have finished our junkyard generator. Here is an overview of what we did (click on the images below to go to bigger versions of them): The frame was initially made out of steel. Sherman did a … Continue reading
Posted in Human-Powered Generator
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Junkyard Generator
I am taking an electromagnetics course this semester, and our first project is getting into groups and making a human-powered generator that can light a bulb. It is actually a pretty fun project. We have to use “junk” that we … Continue reading
Posted in Human-Powered Generator
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