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Hi everybody. I'm 75 years old and I've been growing a pretty fair pair of cataracts for about 15 years. Because of other issues I'm not a candidate for surgery. I've been able to program pretty well with a 24 inch monitor, Windoze 7 video set to high contrast (green text on a black...

I’m a retired electronics engineer and I’ve never implemented a microcontroller design. I need to control a geothermal heat pump system in my own home. I cannot find a controller that will do the job. The first computer I programmed was an IBM 1401 using assembler in 1956 at Cornell. I know many...