Recent content by kad

  1. K

    need direction sensor

    Tried that...but not able to distinguish whether the person is entering or leaving as both the beams get obstructed when either of the two happen...could you  please suggest me an idea...please help :(
  2. K

    need direction sensor

    Is there any sensor which detects the direction in which the person is moving? That is it should produce a pulse if the person is moving in one direction and a negative pulse if he moves in the opposite direction..please help
  3. K

    counter

    I'm plannig to do a project that includes counting the number of people entering and leaving the room through one door..For this i want to use 2 light beams simultaneously to count the number of people entering and leaving the room Now if a person enters your room he will pass by beam 1 then...
  4. K

    help with digital clock circuit

    I want to build a digital alarm clock which gives an alarm for a set number of times in a day i.e, we should be able to give any number of input timings for the alarm to ring (like a school bell set at the end of each class). Could someone please help....
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