ir sensor and pulse count

Discussion in 'The Projects Forum' started by hvc123, Oct 19, 2012.

  1. hvc123

    Thread Starter New Member

    Aug 2, 2012
    21
    0
    i have a ir led and tsop7838 ir sensor... pulses are genrated when the path of ir is cut.. now i want to count these pulses and display it... but i dont know how?? pls help me...
     
  2. assuc

    Member

    Mar 23, 2012
    77
    1
    first of all tell how many counts u want the ckt to do?
     
  3. hvc123

    Thread Starter New Member

    Aug 2, 2012
    21
    0
    it may be 0 to 99... not more than that...
     
  4. Bernard

    AAC Fanatic!

    Aug 7, 2008
    4,170
    395
    I tried to look up tsop7838 and only brought up your post. Can you post receiver schematic? A simple counter may be two 4017's & two 10 element bar graphs + input conditioning.
     
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