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Old 08 October 2015, 17:56   #33
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Join Date: Apr 2015
Location: Lisbon
Posts: 21
Originally Posted by demolition View Post
Because those pins are inputs and inputs should never be left floating (unless they have internal pull-ups/downs). If they are floating, their corresponding outputs may flicker which causes higher power consumption and generates noise.
I built the circuit, only I used a 7404 instead as that was what I had. It works great with my 2001FP monitor.
Hi Demolition, thanks for your help
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