Tuesday, July 12, 2011

New (old) lab power supply arrived

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With my renewed interest in old-tyme radios, I have decided that I need to have a good adjustable lab bench power supply that will give me f...

New receiver!

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After a couple years of looking, I have located a National SW-3 receiver that is in good shape.  It came with a couple sets of coils, ...

No updates for too long...

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Wow, has it really been nearly three months since I updated this blog?  Very sorry to be away so long.  I have a couple of new short posts t...
Tuesday, June 7, 2011

Sorry for no postings lately...

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My apologies for the long time between postings.  I have been a bit preoccupied with my son's cancer treatments.  I hope to be able to r...
Monday, May 16, 2011

Why I hate writing UI code...

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Now that the Atmel CPU is back alive, I have been back working on my beacon code.  The underlying beacon code is finished for the most part....

High Voltage programming the ATMega328

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Having smoked my first AVR CPU, I now face the need to be able to reset the CPU fuses regardless of their current settings.  After some sear...
Saturday, April 16, 2011

Smoked my first ATMega328

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I have been having a lot of fun upgrading my toolset for building AVR applications and hardware solutions.  I have been playing around with ...
Sunday, April 10, 2011

Working with new tool chain

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As the Arduino beacon project has progressed, I have spent some time trying to minimize the code size.  For one thing, there are a number of...
Saturday, April 2, 2011

New RTC and data logging shield for beacon project

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I have built one of the fine data logging shields for Arduino from the fine folks at Adafruit  to further clean up my beacon project rats ne...

Thanks for all the emails!

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I created this blog originally as a place to catalogue my ramblings and notes for myself.  I have been receiving quite a bit of email from a...