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Jim

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Everything posted by Jim

  1. With some pointers on daisy chaining by @Hanso (thanks a lot), I made some progress with controlling the robot. I am not really sure how this will end, but the next things on my wish list are: Rotate to certain direction using a compass sensor and a PID controller Using the IR transmitter and receiver to make the robot follow me Implement these functions using EV3Dev or leJos or any non graphical programming language When I have accomplished this, I am thinking of these things Make a body for the base (i.e. make it look better with panels etc) Implement the LED strip controller Link the LED controller to some distance sensors to change LED color based on proximity of objects Using PFMate to controller the PFx brick to have better sound than the regular brick I still need to work on the math so I can steer the robot in different directions (simultaneously). It would be cool to use another EV3 unit and turn this into a remote. (basically like this. Sorry for the Facebook link)
  2. Currently, I am working on a daisy chain program where I input the power, instead of a fixed number of rotations. Since four motors are powered by a single brick, I am working on a block so I can use multiple blocks. Each block has an input for Power and the Layer (which daisy chain brick, 1 or 2). However, when I switch to port for the layer, two ports become visible. One for the Layer and one for the Port. Yet, there is only one input, for the Port. How can I input the layer with a variable? (see the upper right green block)
  3. Maybe...just maybe....you can start thinking about building an Aircraft of some sorts No further comments, so don’t try.
  4. There is a problem with the second url. Sure it's correct? https://www.eurobricks.com/forum/index.php?/forums/topic/92212-moc-programmable-funky-drummer/
  5. Off-topic (slightly): what is your preferred environment/OS for the EV3? Thanks for the resources. I will join the FB group!
  6. I read this yesterday indeed. Looks like this could be THE environment for me. Reliving the good old Java days hehe. Do you use Eclipse for this as well?
  7. Sweet, I will take a look. Thanks!
  8. Yesterday, I sent myself this link to check out... https://ev3dev-lang-java.github.io/docs/support/index.html I am not yet sure what the difference is. Can you shed a light? And I will surely add it to the index and change this topic to ev3dev topic.
  9. HispaBrick edition 31 is out. Visit this page to discuss and download your copy!
  10. Jim

    Book Review

    Interested in building Brick Airplanes? Check out this review by @Lasse D for Peter Blackert's book How To Build Brick Airplanes.
  11. We (the people from HispaBrick) are back with another issue of HispaBrick Magazine: number 31. In this issue you can see how AFOLs enjoy events in different countries like Japan, (Japan BrickFest), Chile (Brickfest Chile) or Denmark (LEGO® World Copenhagen). We visit LEGOLAND Japan, Masao Hidaka shows us how you can build a monorail with current LEGO pieces and Julien Ballester tells us about Stuck in Plastic’s annual toy photography safari, this time in the city of París. In our interview section we talk to Jamie Berard, design manager specialist for Creator Expert and LEGO Architecture and we meet Quinten, winner of the 2018 LEGO Ideas Trophy Design Contest. In the KOCKICE Corner we have another instalment of the Minidolls vs Minifigures comparison, a review of LEGO Architecture Skylines and an article about the different animals LEGO has produced. Of course there are also EV3 and Boost tutorials, reviews and much more. You can download HispaBrick Magazine from our downloads page: https://www.hispabrickmagazine.com/downloads/
  12. Let’s stick to the 2019 set discussion and don’t turn this into a leak discussion topic please
  13. I have installed ev3basic, which looks cool....but is indeed....basic. I would love to Visual Studio Code, but I wasn't sure about Python. But maybe it isn't so bad. It would be really helpful if we have separate topics for the different environments.
  14. I am looking into the Wanhao Duplicator D9 MKI / 300. Since I am also an active boardgame player, I like to create box inserts for storing game components. Most boxes are 28,5 cm wide, so I need one which can print 30 x 30 cm. I won't be using it to print LEGO parts, but when I have one, I could think about printing components for my robot.
  15. I really need to do some testing with leJos as well. It's so much better to have an actual programming environment, instead of EV3-G.
  16. Interesting! Maybe you have already posted in other topics, but do you print the parts yourself? If so, which printer are you using?
  17. You mean doors as in panels, to cabinets with electronic components, right? That is what I was thinking. Computer parts isn't a suitable description. Pretty sure I built the block correctly, but you could very well be right. I have seen other people with the same issue though.
  18. Eurobricks member jrx has created this wonderful model.Click on this link or on an image to visit the topic.
  19. That is a great suggestions. I will give it a go shortly. By the way; I love your pure LEGO solution for the holonomic wheels. Very nice.
  20. Welcome to EB! Sorry for this obvious/stupid question, but you have gone through the EV3-G educational material? Maybe this is helpful: http://stemrobotics.cs.pdx.edu/browsecourses https://www.udemy.com/fun-with-beginner-lego-mindstorms-ev3-robotics/ http://ev3lessons.com Nice!
  21. We use the prefix [HELP] for that in Technic
  22. Wow, this is some interesting stuff! I once studied how AT-AT's walk, because I was interested in replicating the mechanism. That is a very nice video indeed
  23. I'm afraid I do need to dive into the world of leJos myself, so I haven't installed Eclipse (yet). I will give it a go, but I need to find some time to test it.
  24. Thanks for the elaborate response. I appreciate you taking the time. I just love these "it works...sometimes" solutions My original plan was to program the robot using RobotC, but that doesn't support Daisy Chaining at all. My backup plan was EV3-G, which results in erratic behavior, and workarounds for workarounds. I don't need surgical precision, but I do need some control/precision, since I want to create a PI(D) controller for my compass sensor. There are some alternatives: Use leJos, which does support DS if I am not mistaken. Sending BT images. You can connect up to 7 units to a single master unit. This will give me lots of flexibility, but it might be too slow. Do you think sending BT messsages will be fast enough? Using WiFi and connect to a piece of software on a computer. Not sure if this is fast enough and I prefer the robot to be autonomous, so no external computer/software.
  25. Hi Hans, Thanks for helping me out. Good to read that you were able to reproduce the problemen. I was wondering; how did you deal with this issue in the program for your own robot?
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