Gadget Freak Case #197: Controlling Solar Water Flow
Gadget Freak 10/25/2011 19 comments To make his solar water heater more efficient, Paul Westaway put together a differential controller that turns on the pump when the temperature of the solar panel or woodstove coils is higher than the temperature in the storage tanks and turns off when the temperature is lower.
Most cyber attacks could be avoided by adopting a list of Critical Security Controls that were created by the Center for Internet Security. That’s the message from Steve Mustard of the Automation Federation.
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