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Programmable Logic DesignLine Blog
Content posted in December 2006
Vegetal FPGAs (only eight Euros each)
Programmable Logic DesignLine Blog  
12/29/2006   Post a comment
New open source form of logic runs on water, oxygen, and biomaterial; is environmentally friendly; and is reputed to smell good.
Matthias Wandel's Magic Marble Machine
Programmable Logic DesignLine Blog  
12/27/2006   Post a comment
I just ran across the website of one Matthias Wandel, who has an eclectic range of interests, including some really cool marble machines.
Struggling with FPGA "gate" equivalents
Programmable Logic DesignLine Blog  
12/22/2006   Post a comment
A reader explains how he calculates FPGA equivalent gates and compares today's devices to the TTL technology of yesteryear.
In which we discover the steam-powered origin of the Internet
Programmable Logic DesignLine Blog  
12/20/2006   Post a comment
It is a little known fact that, even today, the Internet still relies on some steam-driven sections, mostly for little trodden routes to some of the more obscure domains.
More information regarding Gray codes is flooding in
Programmable Logic DesignLine Blog  
12/18/2006   Post a comment
I'm learning all sorts of information on Gray codes and Gray code counters, such as the fact that they consume half the average power of a binary counter.
We now have BCD math routines for the virtual DIY Calculator
Programmable Logic DesignLine Blog  
12/13/2006   Post a comment
I'm a "happy camper" because we now have a suite of binary-coded decimal (BCD) math routines for the DIY Calculator (plus I have some ferrite cores on the way).
Where can we find ferromagnetic cores to make a magnetic core store memory?
Programmable Logic DesignLine Blog  
12/4/2006   Post a comment
A reader asks if normal ferrite beads will work, or if they have the wrong hysteresis (and if so, where can we obtain some cores that will work?).


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Max Maxfield

My Mom the Radio Star
Max Maxfield
Post a comment
I've said it before and I'll say it again -- it's a funny old world when you come to think about it. Last Friday lunchtime, for example, I received an email from Tim Levell, the editor for ...

Bernard Cole

A Book For All Reasons
Bernard Cole
1 Comment
Robert Oshana's recent book "Software Engineering for Embedded Systems (Newnes/Elsevier)," written and edited with Mark Kraeling, is a 'book for all reasons.' At almost 1,200 pages, it ...

Martin Rowe

Leonard Nimoy, We'll Miss you
Martin Rowe
5 comments
Like many of you, I was saddened to hear the news of Leonard Nimoy's death. His Star Trek character Mr. Spock was an inspiration to many of us who entered technical fields.

Rich Quinnell

Making the Grade in Industrial Design
Rich Quinnell
16 comments
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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