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 … Continue reading Computer Control – Physical Input and Output