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No communications between Arduino Uno & gen4-uLCD-43DCT-CLB-AR

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  • No communications between Arduino Uno & gen4-uLCD-43DCT-CLB-AR

    Hi, I used Workshop 4 Extended Graphics to write some Arduino codes for displaying image.
    I just pasted the Display_img_Show commands on the default codes (both setup and loop)
    I also plugged the shield on the Arduino, connected the 5 cables to the display and configured display as a Serial Slave,
    But nothing displayed after I run the code.
    Any sample codes such that I can follow? as there was no tutorials nor guidelines on this. Thank you!

  • #2
    Hi,

    Any sample codes such that I can follow? as there was no tutorials nor guidelines on this. Thank you!
    You can try the sample programs available in Workshop4. You can found it in the File > Samples > 4Duino > Extended Graphics.

    Click image for larger version

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    Please note that the target device of these sample programs are set to 4Duino display. You need to change it under the Project tab and choose your target device.

    Click image for larger version

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    I hope this helps.

    Best regards.

    Comment


    • #3
      Originally posted by ivan_4d View Post
      Hi,



      You can try the sample programs available in Workshop4. You can found it in the File > Samples > 4Duino > Extended Graphics.

      Click image for larger version

Name:	sampleswindow.png
Views:	52
Size:	229.0 KB
ID:	75626

      Please note that the target device of these sample programs are set to 4Duino display. You need to change it under the Project tab and choose your target device.

      Click image for larger version

Name:	projecttab.png
Views:	34
Size:	65.4 KB
ID:	75627

      I hope this helps.

      Best regards.
      I followed the samples and uploaded but still, the display shows the default page (getting started) only

      Comment


      • #4
        Hi,

        To understand what's going on, can you show us your setups such as a schematic diagram or an actual photo of your project? also, I would like to ask for a screenshot of your Arduino settings in Workshop4. You can found it in Files > Options > Arduino.

        Best regards.

        Comment


        • #5
          Workshop setup: (I use the sample code)
          Click image for larger version

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          Click image for larger version

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ID:	75800

          Hardware setup:
          Click image for larger version

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ID:	75806
          No light from the display

          Click image for larger version

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Size:	633.9 KB
ID:	75803
          Normal when connecting to UPA
          Attached Files

          Comment


          • #6
            Hi,

            It seems that your program doesn't load properly to your Arduino. Are you trying to use the hardware serial of the Arduino Uno? If yes, then try disconnecting the display first before uploading the sketch to the host.

            Best regards.

            Comment


            • #7
              Originally posted by ivan_4d View Post
              Hi,

              It seems that your program doesn't load properly to your Arduino. Are you trying to use the hardware serial of the Arduino Uno? If yes, then try disconnecting the display first before uploading the sketch to the host.

              Best regards.
              I have disconnected the display, upload the sketch to Arduino again and load the SPE to the display again.
              Still cannot light up the display...

              Comment


              • #8
                Hi,

                I tried to replicate the issue but, I wasn't able to. Can you share your project with us?

                Best regards.

                Comment

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