Month: July 2014

To better understand the behavior of a Passive Resistor Inductor / Resistor Capacitor I built another excel calculator…. ly

I had to build a 1 watt Class AB – Amplifier for an Electronics devices course.   The school has an LPKF PCB prototyping machine to make these PCBs with.   I’m not going to turn down the chance to have the boards …

Finished a project for school Read More »

    It’s almost cheaper than iTunes…

a whole semester summed up in one drawing   From the Art of Electronics second edition – Paul Horowitz and winfield Hill  

So a client taught me a valuable lesson this week: Never solder (tin) the copper on an electrical cable.  The more whiskers of copper making surface contact the better.  Maximize surface contact!

I moved my chair into the sunlight for the first time in… Sure enough it needed a cleaning.  The casters were beyond cleaning, so new ones with Rubber wheels (for the hardwood) have been ordered. This chair kicks serious ass!

“You should really not try and expect to have everything perfect, lower the OCD” and I said, “Leave me Alone so I can finish my lab”

Such a nice looking transport! read the leasing info too… very cool! 

http://download.lardlad.com/sounds/season11/laughter29.mp3

I’ve been calculating a lot of components in series lately for an ECR255 class. I’ve also had to graph them on impedance diagrams and a power triangle. In an effort to better understand the math I made a calculator for …

RLC calculator for components in series Read More »

All things considered the build is going well. The leads from the supplied output transformer could have been longer… and if anyone knows a good way to remove paint for grounding posts let me know :-)

I got a text from a friend asking about designing a game show system that triggers sounds… he caught me JUST as I was walking out of a digital systems class… lucky for him I’m getting better at learning about …

Making a game show trigger system Read More »

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