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Old 10-09-2015, 06:45 PM   #2168 (permalink)
dave koller
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Join Date: Feb 2010
Location: Northern Wisconsin
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Not to Brain Fog anyone but I have used rotary BCD (takes four inputs) for years to select options on various embedded microprocessors - some are over 30 years and working still....

Oh I am following along and enjoying your projects!
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