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Thread: UE4Duino - Arduino to UE4 plugin Release!

  1. #361
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    Infiltrator
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    Jun 2016
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    13
    Many thanks one again for all your work !

  2. #362
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    How do you make the "Is Serial Port Open" - Node? I RMB on the BP and type these words but nothing pops up..

  3. #363
    0
    That's a member function of the Serial class. So you'll only see it from a Serial variable.

  4. #364
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    Jun 2016
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    Ok, I will try to find that thanks. Sorry #Newbie

  5. #365
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    Excuse me, I haven't found it yet. Could someone send me a proper ue4-Manuel-link so I can understand this general knowledge, please. To know the right search_word for this, I find it difficult. Or maybe explain it to me simple-step-by-step, how to find this ("Is SerialPort Open")_Node, please.

  6. #366
    0
    Create a variable from Open:
    Name:  ue4duino1.gif
Views: 501
Size:  160.0 KB

    Call functions on the variable:
    Name:  ue4duino2.gif
Views: 500
Size:  102.6 KB

  7. #367
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    Thank you RVillani for your explanation GIFs. I like them a lot. Maybe I can solve my issue.

  8. #368
    0

    Cool v2.2 is out!

    2.2 UPDATE!

    Info, binary(4.16.1) and source downloads — UE4Duino v2.2 on GitHub

    New: 4 utility nodes for converting from and to bytes/int/float:
    • BytesToInt — Convert 4 bytes in little-endian order into an Integer.
    • BytesToFloat — Convert 4 bytes in IEEE 754 standard into a Float.
    • IntToBytes — Convert an Integer value into 4 bytes in little-endian order.
    • FloatToBytes — Convert a Float value into 4 bytes matching the IEEE 754 standards.

  9. #369
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    Champion
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    Mar 2014
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    788
    This plugin needs a new tread. I almost dismissed it as the first post makes it look like 4.10 is the last supported version.

  10. #370
    0
    You're right. Since I didn't create it, I can't update that post. I'll create a new thread once there are new updates and post the link here.

  11. #371
    1
    Found a upgrade for those interested.

    https://forums.unrealengine.com/showthread.php?68643-UE4Duino-Arduino-to-UE4-plugin-Release!

    It may not look like it in the first post, but there was just a new release for 4.16.1:
    https://github.com/RVillani/UE4Duino/releases/tag/v2.2

  12. #372
    0
    There is a problem with my arduino pro mini with mpu9250 and latest plugin. Old version for 4.10 was working perfect. Data stream from read line was coming very smooth. But with later plugins all the time I'm getting messy readings in unreal engine. There come like 15 lines (just example) normal readstring readings and then something messed up and again normal reading.

    I wonder what's changed . Btw arduino code was not changed so messing goes on in UE4 side.

    example of UE4 print string:

    104.55
    105.45
    104.35

    .35
    04.35
    105.33
    104.54

    this is what i get when run a game

  13. #373
    0
    Hi,

    Very new to this. I don't know if it's me doing something wrong or the plugin? I've managed to install the plugin, it's showing up fine inside Unreal Engine 4.16.1.
    In my Blueprint editor, I'm only getting 'Open Serial Port' under my Executable Actions... I can't close or read the serial port?

    I've tried making a new project, resetting the machine, redownloading the 2.2 UE4Duino Plugin.. Im getting pretty desperate. Has anyone else come up against this issue?

    Any pointers greatly appreciated.

  14. #374
    0
    maybe... First I didnt find al the arduino executable actions but then I disabled cotext sensitive in the blueprint selection menu. Some things are so easely to be overseen... Hope it helps :0) (anyway when I get my usb to relays from ali expres I will open a new thread (I will have my fan with my magic carpet working)).

    maybe we can stay in contact http://innerjourneyvr.com/

    greetings.
    Last edited by game_master_jodan; 06-20-2017 at 03:24 PM.

  15. #375
    1
    Could someome explain please on how to close serial port in v2.2? I successfully opened it and printed "open" message. But when I run my scene again, I get "Failed to open port COM3" which I think is caused by com port remains opened. I then need to "uninstall" that port from device manager.
    Here is what I made trying to close it:
    Name:  serial.jpg
Views: 368
Size:  56.2 KB
    I guess I'm missing something...

    P.S.
    I figured out:
    Name:  serial2.jpg
Views: 366
Size:  136.6 KB
    Last edited by Desprit; 06-25-2017 at 04:07 AM.

  16. #376
    0
    HotFix and new thread

    Guys, I made a hotfix for the plugin and started a new thread for it, so people that find it see it's up to date.

    @Aiduss, show me your Blueprints on the new thread. I've had a similar problem once and it was a Blueprint error. I was trying to read data too soon after opening the port. Also, try flushing the port right after opening it.

    @JoshHD22 and @game_master_jodan, don't disable context sensitive on the function list. It fills it with garbage. The functions for doing anything besides opening the port you access through a Serial instance. One is returned for you when you open the port. Store that in a variable to use it later (like I did here). If you guys don't understand variables, instances and classes concepts very well, I recommend studying the Blueprint tutorials on Youtube and also a bit of Object Oriented Programming.

  17. #377
    1

    Unreal Robot Project

    This is a video game coming to life! Here is my robot built using this plugin. Thanks for making it thread safe - my robot hasn't crashed once! I wrote a custom sketch to handle special bytes 255 and 254. I use these as start packets for bring other bytes over. Everything I programmed is included on the pages in this thread in order to marry Unreal and Arduino together. I also used several other Unreal plugins for voice, etc. Almost all the Unreal programming was done in blueprint. I think Unreal would make an amazing robot OS and this barely scratches the surface of what is possible and what is coming. I hope you enjoy the robot and video! Unreal Engine can do some amazing things!

    https://youtu.be/22mtVtIKbFg

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