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2016
  When the first Raspberry Pi was released in February 2012 it revolutionized the way makers around the world made things, and it completely changed the landscape of the development board world, and continues to do so even today. As of November 2016 there are seven different versions of the Raspberry Pi that are carried by Element14. While this is a major win for the maker world, it does create quite the challenge for anyone new to Raspberry Pi who might be trying to figure out what board ...
Introduction Sometimes it is great to be able to see if things are hot or cold with a thermometer or other device. Multiply it by 64 and it is possible to get a graphical image of hot spots or detect humans for instance. A thermopile array can be used to measure temperature from a distance and a special part from Panasonic called Grid-EYE happens to have 64 of them : ) Since the Sense HAT has 64 LEDs, I wanted to try them together : )   This is what is implemented:   For more e ...
My Raspberry Pi 2 was mostly disused, running a couple of Seti@Home threads.  It is out of date and the speed was always rather slow compared to the other machines in my home.  Some of it is because 1GB RAM is anemic in 2016 but some of it is because a MicroSD is a very slow storage device, even with tuning Linux parameters in configuration files like /etc/fstab.   So, I decided to do something about it.  I have a 120GB USB 2 backup drive that is also a bit out of date, havi ...

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