February 2019

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This article is on the final revision of the Arduino Fan control board “CoolRunnings”. I’ve written about the first two revisions, from the board that I etched myself, to the first one from a board house, which still contained a boost converter. After that one, I designed one to be powered with a barrel jack,

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Inspiration for a car alarm, what could that be? Around the beginning of 2018, I came into the prospect of buying a 2006 Jeep Liberty. I had been happily driving my 1998 Toyota Camry for years prior, and hadn’t really thought about acquiring another vehicle, but something about 4WD, and driving a big powerful vehicle

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After I finished my last Real Time Clock project, I was relatively happy with the outcome, well, everything except for the accuracy; and what good is a clock without accuracy? I used the DS1302 which I’m sure is a pretty decent RTC(real time clock), if you pair it with a crystal that’s perfectly matched for

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The ESP8266 relay project started off as an attempt to control a relay with the ESP8266 from a wireless interface, such as a web browser. The idea can easily be achieved with a few different modules which are available from eBay relatively inexpensively. I however usually don’t like the idea of assembling several modules to

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After my first fan controller was competed and working, I was pretty happy with it. But as I learned more, experimented more, and became familiar with more hardware, I realized much more could be done with the controller. With the previous controller, I used the Attiny85, which was perfect for the job it was given,