adi82 Posted May 14, 2007 Report Share Posted May 14, 2007 It is about a wind-velocity measurement digital circuit in an exam question.Here is the link where you can see the circuit:http://www.diskusjon.no/index.php?showtopic=752114&hl=+temperaturm%E5lerIts norwegian but you can see the circuit if you scroll down on the page.Well anyways the question is pretty simple actually:The 7 segment display is showing 00 even though the wheels on the wind-velocity measurer are rotating.What are the possible reasons for that?? Quote Link to comment Share on other sites More sharing options...
ante Posted May 14, 2007 Report Share Posted May 14, 2007 There could be a number of reasons for this! Have you got any pulses (on a scope) from U8:A clock? Also on pin 6 of U3:B input (from IC1)? Quote Link to comment Share on other sites More sharing options...
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