I want to create a sequence of traffic lights in labview

Hello

I am very new to Labview (first post here) and am learning by trying simple things.

I am trying to create a system of traffic lights in continuous operation, RED, THEN RED AND AMBER, and THEN JUST GREEN, THEN JUST AMBER, THEN JUST RED and repeat the sequence.

I have 3 of the 3 colors LED and at the present time they run, RED, THEN RED AND YELLOW, THEN RED AND ORANGE AND GREEN, THEN ALL OFF, and then repeats the sequence.

I used a structure of matter within a while loop.  Set a status for each of the colors and the reset (-all).  I think that straight forward.

Does anyone have advice on how I could add to what I learned to create the aforementioned fire sequence?

Thank you very much for your time.

PJ.

You have passed the exam, so I'll join the VI this time (LV9, let me know if you need an earlier version).  You'd be surprised how many people complain of not be provided code, glad to see that you're a good sport.

The constant matrix in cluster was created by right-clicking the control and selecting create Constant.  He just let me show a screenshot of the content of the sequence table.

I added the delay as a small tip to always think a go ahead.  Finally you will be much more forward thinking, but start by looking at the next thing you want to do and try to keep your code flexible enough to cope.

Tags: NI Software

Similar Questions

  • I want to create new sequence from a clip using script.

    I want to create new sequence from a clip using script.

    You can pop the dialog box new sequence (which requires interaction from the user to confirm the name of sequence), or create a new sequence from a .sqpreset file (and specify the name); There is no API around the feature 'make a sequence corresponding to this project item', available in the project Panel.

  • How to create a sequence that generates in the form of intellectual property?

    Hello

    I want to create a sequence that can generate an IP numbers. as

    224.0.0.1
    224.0.0.2
    .
    .
    .
    224.255.255.255

    Is this possible?


    Thank you very much

    KinsaKaUy? wrote:

    Then, just the format of address IP (exercise left to you)

    Hint please :)

    Enter the socket interface ntoa - simple enough to reproduce in the SQL and PL/SQL.

    PS. Look in the section "+ dotted IP number +"-it should run to the top of implementation details.

  • I want to force a sequence to fail on an error, but also a failure

    I want to force a sequence to fail on an error, but also a failure.  It came because the only way I can find to stop the dialogues of Labview error to arise in TestStand is to use the property to ignore errors of time run on a step. I don't want these dialogues to occur because operators do not know how to deal with them. The problem with using the property to ignore Run Time Error, it now is a step that had a runtime error will not kill the sequence. I really want to interpret a mistake as a failure.

    I found a link to this same question years ago and the answer seems reasonable.  See http://forums.ni.com/t5/NI-TestStand/Force-TestStand-Step-to-Fail-When-Error-Occurs/td-p/435510.

    In this post, I found the following: "use the SequenceFilePostStepRuntimeError callback sequence. In this sequence, set Parameters.Step.Result.Status = 'Fail' and Parameters.Step.Result.PassFail = False ". But when I pull up the reminder SequenceFilePostStepRuntimeError, niether of these parameters have on the list of parameters. I have Parameters.Step and Parameters.Result, but nothing filled under these broad categories.  I don't know if I have a Setup error, or if the reminder has been changed over the years.

    Someone at - it advice?

    Thank you

    Dave

    Put a breakpoint in your sequence a little after the step and check the runstate variables to see if they match. This post was made in 2006 and there are a lot of changes since then. Adding in the breakpoint should allow you to see what variables are created at run time, as the passfail. You can then enter in the browser of the expression. When chacking the statement, you will get a warning saying that the syntax may be incorrect, but it's nice. It is also said in this post if you know what you are doing to the variable may be created when running and you will be fine.

  • Ability to create several sequences of selected clips?

    So, I have been on a warpath for a while now, but haven't found the appropriate answers. So I'll ask.

    I would like to create multiple sequences of any number of selected items. I know that I can drag and drop each clip on the new icon of the sequence, but if I have 100 +, this is getting ridiculous. Is there a script that can do this, or someone can point me in the right direction to embark on such a thing?

    There is no concept of 'selection', in PPro APIs.

    You can create a preset (file .sqpreset) sequences, and there are ways to add a projectItem given to an existing sequence...

    If you can provide more details on the workflow you want to support [write me directly; b b b from adobe dot com], we can better frame.

  • Assign a value of "dynamically created the sequence" to a variable

    in my procedure I am creating a sequence on the fly, I prepare the name with some parameters passes as below

    .
    .
    v_seq_name: = "seq_". loadid | v_table_name;
    run immediately 'CREATE SEQUENCE'. v_seq_name | "MINVALUE 1 MAXVALUE 999999999999999999999999999 START WITH 1 increment of 1 hiding 20';
    .
    .

    and now after doing some operations I need to assign the current value of the sequence to a variable number, I tried but does not subsequently

    (1) v_curr_value: = v_seq_name.currval;
    (2) select v_seq_name |'. nextval' in double v_curr_value;

    can you please suggest me how can I get the value in plsql block.

    And what is - this?

    v_curr_value: = v_seq_name.currval;

    Of course, it will fail. If you want to get currval in a sequence whose name is stored in a variable, you must use dynamic SQL:

    SQL> declare
      2      v_seq_name varchar2(30);
      3      loadid number := 1;
      4      v_table_name varchar2(10) := 'tbl';
      5      v_curr_value number;
      6  begin
      7      v_seq_name := 'seq_' || loadid || v_table_name;
      8      execute immediate 'CREATE SEQUENCE ' || v_seq_name ||
      9                        ' MINVALUE 1 MAXVALUE 999999999999999999999999999 START WITH 1 increment
    by 1 cache 20';
     10      for i in 1..5 loop
     11        execute immediate 'select ' || v_seq_name || '.nextval from dual'into v_curr_value;
     12        dbms_output.put_line(v_curr_value);
     13      end loop;
     14  end;
     15  /
    1
    2
    3
    4
    5
    
    PL/SQL procedure successfully completed.
    
    SQL> 
    

    SY.

  • I am trying to create a sequence to be used as a primary key in an Oracle table

    Hi guys

    I ODI version 10.3.5 and I'm trying to create a sequence that fills with row_id for a table. The schema is a database.
    And I want that this element will be the primary key of the table that is responsible to run the interface but I get questions.

    So please advise me.

    Hello

    Can you please provide the following details:
    1. What is the area of the execution of your sequence? Is it source, scene or target.
    2. what IKM you use (hopefully, you run the sequence in the staging or the target)?

    My understanding is when you check in not Null, all your lines going to the error table. So it gives no error.

    When you uncheck the not Null, it is in error because the database does not Null values in the primary key column.

    You can do the following to check if your sequence is working properly.
    Try to write an Insert Select query to DB and run it and see if it works properly.

    i.e.

    Insert (EMPL)
    EMPNO,
    ENAME,
    EMPLOYMENT,
    BISHOP.
    HIREDATE,
    SAL,
    COMM,
    DEPTNO
         
    )
    Select S_EMPNO. NEXTVAL,
    ENAME,
    EMPLOYMENT,
    BISHOP.
    HIREDATE,
    SAL,
    COMM,
    DEPTNO
         
    from EMP

    or if you can provide your query in this format, it will help find the question quickly. Please also indicate the KM.

  • Create new sequences of the Razor tool

    Hello:

    I have a video of 2 hours of questions / answers in a forum.  I want this divided into 8 sessions of 15 minutes, each representing a different question.  I can cut the clip using the razor tool, but I don't see how to take each piece of 15 minutes and place it on a new sequence, thus creating 8 sequences.  I then export each 8 sequence regardless as a flash video, creating 8 videos flash can I insert into Dreamweaver.

    I tried to copy / paste, drag, but the sections cut do not seem to want to leave the original sequence that I imported.

    Ideas?

    Kind regards

    Rich Locus

    Create a copy of your full length sequence.

    Rename the duplicate sequence "Session 1" (or something similar)

    Edit this new sequence to include only the first session.

    Create another copy of your full length sequence.

    Rename the duplicate sequence "Session 2" (or something similar)

    Edit this new sequence to include only the second session.

    Repeat steps.

    Notes:

    Don't forget to work on duplicates, and then save your cutting the length.

    Create a duplicate sequence by selecting

    in the project Panel and then Ctrl + click - move.

  • no option to create a sequence with uncompressed video playback


    Hi all!

    I can't find the option in the new CC Pro first "create a sequence with uncompressed video playback.

    The reference (p. 176) of the Adobe website manual reads:

    "...

    1. Choose file > new > sequence.

    2. in the dialog box new sequence, click the general tab.

    3. in the Edit Mode menu, choose the desktop.

    4. in the time menu, choose the desired rate, such as the 24, 25 or 29.97 frames/second.

    5. in the video section, choose the settings you want for the size of the image, the pixel format, fields and display Format. For example, 1920 x 1080,

    Square pixels (1.0), no fields (progressive scan) and offset 30 fps timecode.

    ..."

    I can't find any tab general and according to the editing mode in the dialog box new sequence at all!

    There are only three tabs:

    Sequence of Presets, parameters, tracks

    What I am doing wrong?

    Hello

    You will find what you are looking for on the settings tab.

    1. file > new > sequence

    2. in the dialog box new sequence, click on the settings tab (do not use CS6 or 5.5 in front of me but I think it's an old copy).

    3. in the Edit Mode menu, choose custom

    4. in the preview File Format, click Quicktime

    5. in the Codec menu, choose your /As option

    Screenshot see annex for reference.

    Peter Garaway

    Adobe

    Premiere Pro

  • I do my job to the computer on a MAC computer. I want to create a document using Pages and then convert the document to PDF and send a group email. I want to send the PDF using the pdf for each receiver icon must click the icon to open t

    I do my job to the computer on a MAC book PRO. I want to create a document using Pages and then convert the document to PDF and send a group email. I want to send the PDF using the pdf for each receiver icon must click the icon to open the document. My problem is the document does not show the icon, but rather the document is already open. I spoke with 2 Apple. 'Experts' care and can help me. Can someone tell me what to do?

    It's a question of how the recipients e-mail programs deal with attachments. Many e-mail programs will open all the files they can handle, including files jpg and PDF, by default, and if the recipient has not changed that there is nothing you can do about it. The only solution is to the compress first, then it will be delivered as an attachment, allowing the recipient to decompress and open it.

  • you want to create the white list. How to do?

    I want a white list, but cannot find a place for it. I see < block sender >, but I want to create a list < allow >. Thank you.

    From any of your address books, you can just whitelist people. Go to Hamburger-> Options-> account-> [account] settings-> junk e-mail settings, to enable adaptive junk mail for this account controls and check address books you want from a whitelisted addresses.

  • I have a distribution list large email I want to create, BUT I don't necessarily want to put in my Contacts and all this My Contact list of people synchronized upward with my iPhone. Can I create a group without their input in my Contacts?

    I have a distribution list large email I want to create, BUT I don't necessarily want to put in my Contacts and all this My Contact list of people synchronized upward with my iPhone. Can I create a group without their input in my Contacts?

    You can create another account on your mac.

    You can open an account with mailchimp.

    There may be a limit on the number of emails you can send per day. No idea about the number, but I've heard as low as 200 per day.

    R

  • I want to create a 2 cells in demand for numbers, the 1st cell is a dropdown menu with items of text, when choosing an item, that it would be represented by a numeric value in the other cell. How can I do?

    I want to create a 2 cells in demand for numbers, the 1st cell is a dropdown menu with items of text, when choosing an item, that it would be represented by a numeric value in the other cell. How can I do?

    You can use vlookup() like this:

    (1) crate a table like this:

    the first line is a heading row

    the first column contains the same list of items in the context menu

    the second column contains the corresponding values

    name of the table 'value '.

    In another table (where the pop-up menu), you can use the table of choice of 'Value' like this:

    create a drop-down list in cell B1

    Select cell C1 and type (or copy and paste) the formula:

    = VLOOKUP (B1, Value::A:B, 2, 0)

    short hand for this is:

    C1 = VLOOKUP (B1, Value::A:B, 2, 0)

    now change the pop-up to display the value in the change of cell C1

  • I want to create new files every 2 seconds of "write in a measurement file.

    I am a beginner of LabVIEW; I want to create new files (with similar names like test_01.txt, test_02.txt...) to 2 seconds interval using "write to a measurement file.

    In fact, it should be a question. Join the program that you have problems with. The subject was discussed several times as you should have found examples when you did your research.

  • I want to create a completely blank copper on a plane in copper.

    I want to create a completely blank copper on a plane in copper.

    / When I create a copper box and then select fill 'none' there is always a small ring of copper around the perimeter which I can't delete regardless of what settings I use.

    Hello

    There are two ways to do:

    (1) after having placed your aircraft in copper, put you on the layer 'keepin allowed/forbidden zone '.

    go it to 'Place' "Keepin-forbidden zone" and draw the shape you want.

    Then the area will be cut off from your plane.

    You can get errors in DRC with parts and titles in another layer.

    This can be avoided, but takes a lot of settings... so I never have that

    (2) instead of having a plan in copper, use copper areas to build your airplane.

    You might need to put two or more overlapping region,

    So just don't put any copper where you don't want everything.

    This solution is somewhat more difficult, but you get errors of DRC on other layers/parts

    Success!

Maybe you are looking for