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I may experiment with a simple photocell used to turn lights on or off, and a light source for night time. Mount the photocell so that its lens is upwards towards the sky, at night you'd need a light source shining on the photocell, I'm thinking a very low wattage led light to reduce power consumption, or even another photocell or astronomical time clock to ...


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You can use an array to go through the times. Create a struct with the fields time and temperature (you should think about saving time as unix epoch, meaning seconds since 1970, so that you save memory). struct SetPoint { unsigned long time; float temperature; }; Then you can declare an array of type SetPoint to hold the tubles of time and ...


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