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Programmable Logic DesignLine Blog
Content posted in March 2007
Vintage sense amps for my magnetic core store
Programmable Logic DesignLine Blog  
3/27/2007   Post a comment
I'm now the proud possessor of some 1974 vintage core sense amplifiers, the origin of which includes an interesting tale.
Coincidence? I think not!
Programmable Logic DesignLine Blog  
3/26/2007   Post a comment
Things are starting to get a little strange. Every time I write something about anything, someone says: "I was there!"
All sorts of "stuff"
Programmable Logic DesignLine Blog  
3/22/2007   Post a comment
A 1920 Comptometer mechanical calculator is winging its way to me from Argentina; the physical DIY Calculator works; part 4 of my HRRG series has been posted; and much, much more...
Testing mainframe computers using a small loudspeaker
Programmable Logic DesignLine Blog  
3/21/2007   Post a comment
An article on problem-solving in a 1970s IT department reminded me as to how we used to test mainframe computers using little more than a small loudspeaker.
Have I been praised or insulted?
Programmable Logic DesignLine Blog  
3/12/2007   Post a comment
Generally speaking I consider myself to have a reasonably extensive vocabulary and a certain dexterity with the mother tongue, so why don't I understand this email from a reader?
The biscuit bites back!
Programmable Logic DesignLine Blog  
3/9/2007   Post a comment
The meaning behind the Frank Zappa quote is revealed; plus we discover a kit that allows you to take high-speed photos with your digital camera.
The crux of the biscuit
Programmable Logic DesignLine Blog  
3/8/2007   1 comment
As part of a religious debate I found myself researching Frank Zappa, one of whose kids is called "Diva Thin Muffin Pigeen", and then things started to get strange...
Chair of the future meets home theatre watch!
Programmable Logic DesignLine Blog  
3/7/2007   Post a comment
It spins, raises, lowers, reclines, leans, and tilts; it's aesthetic, ergonomic, phantasmagoric, and just about any other "ic" you care to mention.
Domino-based versus organic computers
Programmable Logic DesignLine Blog  
3/6/2007   Post a comment
Sadly, domino-based computation will never catch on where I live, because I've just discovered that it's illegal to play dominoes on Sunday in Alabama.
Brian's Brilliant Monitor vs Max's Magnificent Monitor
Programmable Logic DesignLine Blog  
3/5/2007   Post a comment
For the past few weeks, Brian Beckius and I have been competing with each other to write the coolest monitor program for a virtual 8-bit computer.
Church of the Flying Spaghetti Monster
Programmable Logic DesignLine Blog  
3/2/2007   Post a comment
Evolution versus Intelligent Design (AKA Creationism) versus Flying Spaghetti Monsters ... and don't forget the link between Pirates and Global Warming!


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Almost any information that is captured by a sensor or generated by an electronic or electro-mechanical system can be displayed in analog or digital fashion. A common example with which we ...

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Leonard Nimoy, We'll Miss you
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Add USB Battery Charging Protocols to an Android-Based Design
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Editorial Note: Excerpted from Unboxing Android: A hands on approach with real world examples, by Rajaram Regupathy, the author takes you through the process incorporating effective power ...

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As every developer knows, there are the paper specifications for a product design, and then there are the real requirements. The paper specs are dry, bland, and rigidly numeric, making ...

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