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Month: January 2017

Computer Control – Physical Input and Output

Computer Control – Physical Input and Output

I’ve briefly posted about my home heating control system. The reason I’m revisitnig it is I’d like to gather all the pieces together and show how they work. My heating system uses a hot water pump that circulates through pex tubing underneath the flooring, commonly known as radient floor heating. Controlling when the pump turns on or off is the focus of this discussion. The rating of the pump, a Taco 006-B4 Bronze Circulator Pump 3/4-Inch Sweat, is 115VAC at…

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Security and Reliability

Security and Reliability

In the later part of 2016, there was an event that captured the attention of the public.  The internet of things had it’s major debut as a tool by those with bad intent.  It had been seen as a serious problem by security professionals long before.  Now the threat was real.  Automation should still require attention.  The IoT world is not something that should be left to default, unabated to run as is.  Unlike traditional user interface devices that would…

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