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  1. HVAC
    I'm in the planning phase of my garage project and I'm thinking about installing door sensors on each garage door to turn off the heater when they are open. I will have an electric heater which will be controlled by a low voltage digital thermostat via a 24V relay/transformer. I'm not sure how...
  2. HVAC
    Hi everyone. As the title says, I'm looking for a wifi thermostat which also accepts remote sensors. I want to lock up my thermostat in a closet where no one can mess with it. Sure I could just put a plastic lock box over it, but that's ugly and I would miss out on the cool iPad / iPhone app...
  3. Electrical
    So here is what I want to do. I would like to create a three-sensor circuit that would let me know the winner of a pinewood derby race. Essentially it would be three pressure plates that the cars would hit at the bottom of the track, but I would like to figure out a way to show racing results...
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