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Type: Posts; User: srizbf

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  1. Replies
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    Closed: Re: 2SC1971 Amplifier problem

    you can try the following till you get a new 2sc1971.

    Have a small rectangular piece of plate(copper or tin whichever is in your junkbox.).

    The sheet length is that of the distance betwn your...
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    Closed: Re: 2SC1971 Amplifier problem

    Cannot access the attachment you have specified.

    [Moderator action: Image was re-attached in post #1]
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    Closed: Re: External C++ compilation and DPI question

    If it is not able to find the function at link time it gives the error message.
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    Closed: Re: External C++ compilation and DPI question

    Which object container has PrintHelloWorld() ?
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    Closed: Re: structure and function

    you are right.
    have intrpreted the line 8 as structure .(looks deceptive )
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    Closed: Re: structure and function

    -first defined a structure with name as 'student' with only one member 'int mark' as:

    struct student
    {
    int mark;
    };

    Then a new structure named as 'newStudent ' is defined , but
    this is...
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    Closed: Re: What is 5V return mean

    It means the 'Ground'.

    As you know,the Gnd form the return signal path.
    which carries the common return signal related to the specified block.
    Mixing different returns without knowing grounding...
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    Closed: Re: Simple free mechanical drawing package?

    Two programs you can evaluate for your need.

    1)Freecad- https://www.freecadweb.org/
    -alternative to Catia or Solidworks in simple form

    2)LibreCAD-https://librecad.org/
    -autocad dxf format...
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    Closed: Re: i2c protocol software implementation

    Get philips(nxp) AN10216.pdf. The proper protocol is given on page. 11.
    Make a flowchart for the specified one.
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    Closed: Re: Website 403 Forbidden Error

    yes. your support team can help to solve it.
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    Closed: Re: Website 403 Forbidden Error

    can be due to not setting access rights or you have put it in a different directory.
    you must contact the site administrator to solve it.
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    Closed: Re: Nextion hex to Nextion LCD

    .
    I understand that you have 16x2 lcd now.
    You want to replace it with nextion touch type.
    For that you must rewrite your original display routine for the touch type and in the nextion format.
    ...
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    Closed: Re: Nextion hex to Nextion LCD

    if the nextion hex is within pic then you must transfer them through a serial(uart) port .
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    Closed: Re: Nextion hex to Nextion LCD

    you must give still more detailed description of the requirement.

    -what is 'convert transfer a hex file'?
    -is the hex file is for nextion?
    -a push button input to be transferred to touch screen?
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    [SOLVED]Closed: Re: Driving an LCD using ShiftRegister

    just backlights may mean the lcd is not initialised properly or it is not functioning.

    connect the LCD alone to pwr supply ,backlight and contrast setting pot without any i/p data and .control...
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    [SOLVED]Closed: Re: Driving an LCD using ShiftRegister

    For the LCd make sure that it is connected properly.
    are you able to see black boxes in one line upon reset?
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    [SOLVED]Closed: Re: Driving an LCD using ShiftRegister

    is the 'fourbitmode ' is set as true or false?
  18. Closed: Re: Reducing 10K lineat potentiometer to 1K, what about lineatity then?

    the nonlinearity is valid .there may be variation in the point at which the rate changes.


    your circuit has 47k log pot.
    but trying to replace it with 10k linear pot and 1k resistor?
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    Closed: Re: BLDC motor delta winding

    phase voltage is line voltage in delta connection.
  20. Closed: Re: Reducing 10K lineat potentiometer to 1K, what about lineatity then?

    it will be non linear.
    upto 10% of the initial travel , the resistance rate changes(between the wiper and common) will be low.
    beyond that it will be more upto the top end.
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    Closed: Re: Printer Data Logger-Device

    If your intention is to monitor the data traffic between device and host , then you have software tools to analyse.
  22. Closed: Re: My 12V DC Vending Machine motor rotates 1 extra 360 degree rotation sometimes.

    Test with the above option A with the following changes:

    -Connect to NC contacts.

    -Remove the 100 microfarad capacitor.
  23. Closed: Re: Beginner question about parameters in PSpice Schematics

    for swept var type , enable model parameter and see whether you are able to do analysis.
  24. Closed: Re: My 12V DC Vending Machine motor rotates 1 extra 360 degree rotation sometimes.

    The attached block diagram does not give any clue on your design.
    Attach a circuit diagram if possible or a clear block diagram and mention your requirement.
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    [PIC]Closed: Re: lcd interfacing with pic 16f877a

    your lcd_init() function should have the 4bit interface and the number of lines in the display related code plus other mode set codes.

    otherwise lcd will not display the characters.
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