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Recent content by paipai90

  1. P

    IR Sensor and PIC 16f877a Interface

    Hi All， Please provide me some idea,using IR Sensor and PIC 16f877a, the circuit : - able to count walk-in person and display on LCD with auto light on while first person walk-in and auto light off after last person walk-out how to interface the IR Sensor with PIC? Thanks
  2. P

    Output voltage for Clippers Diode

    hi, may I know the method to calculate output voltage?
  3. P

    Output voltage for Clippers Diode

    1) I get 8.218V but actual answer is 7.51V.
  4. P

    Output voltage for Clippers Diode

    Hi All, May I know how to calculate the output voltage for both of the circuit attached? Need to use what formula? Thanks.
  5. P

    IR Sensor using lm324

    Hi All, I need help on the IR Sensor circuit using lm324 comparator~the distance between transmitter and receiver is 20cm. 1) How to combine both circuit together? Is the circuit design correct? 2) How to measure the output voltage when the IR sensor is in blocking condition and non-blocking...
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