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AlmightyArjen

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Everything posted by AlmightyArjen

  1. AlmightyArjen
    Same here. Just awesome job! Could be the next modular set if you ask me!
  2. AlmightyArjen
    Has the motor still normal torque when you connect it directly to the battery box without the IR receiver?
  3. AlmightyArjen
    I like your imagination and the Lego creation that has come from it, really cool!
  4. AlmightyArjen
    Sorry, I won't be able to go to Hardenberg this weekend, but the coffee is still on! ;) Nice transfer you've posted, I've never seen anything like that!
  5. AlmightyArjen
    I'm already working on automated switches. I like the idea of loading/unloading flat cars in combination with technic robotic arms so that's a really good idea! It's quite ambitious but also very cool and according to me doable. But I don't have (yet) the Legos to build a whole turntable. But there are some nice MOC's out there and we've got Bricklink so that won't be a problem (only the costs ofcourse ;) ) Thanks you all, really nice ideas on which I can wrap my mind around :D
  6. AlmightyArjen
    I like the idea of a commuter train: that's not something easily done due to the reversed polarities/ How do you mean/see that? Does another locomotive also have to pull the same wagons as the first locomotive?
  7. AlmightyArjen
    As some of you already know/remember, I've built this automated train layout: Now it's time to take it to the next level! I want to include some switches in the track but for the rest I can't come up with other cool ideas. So do you have some great ideas that I could include in a new fully automated layout? I'm quite bound to the physical size like you see in the video (my living room doesn't have more space), I could add some extra trains though... Please share your ideas! :D
  8. AlmightyArjen
    Thanks! The final design will take some time though, I want to activate the robot through bluetooth on my android phone so I need to write an app for that. And since I've never done that I first have to learn that ;) But first selecting and grabbing a can...
  9. AlmightyArjen
    I got finally the robot opening the fridge! This was so far the most complex movement and I'm glad it works just fine. No lucky shots (i've had them though), it opens the fridge every time I run the program :)
  10. AlmightyArjen
    I'm just speechless, very great work!!
  11. AlmightyArjen
    very cool and "genial" design, I love the mechanics!
  12. AlmightyArjen
    Surprisingly no damage because of the short circuit. The 5V voltage regulator became very hot; that's how I noticed the short circuit, I literally smelled it! But it survived! Meanwhile I've got the NXT motors completely working how I want. They are controlled by another microcontroller and I've written a program for that controller that it only has to receive a new position (sent over a serial bus) from the main controller and the motors run automatically into place. During the weekend I'll be busy with programming it to actually open the fridge, can't wait! And about pre-ordering one: it has costed me about €1000 by now , If I include labor at 20€ an hour (and that's cheap!) to build another one, I come to a total of at least €5000... Still want one?
  13. AlmightyArjen
    Do the Dutch have the image in the US of drinking their beers warm or something?? An automatic door opener would work, but I want the robot to do the whole thing, including the door opening part
  14. AlmightyArjen
    I found the problem yesterday, the short circuit was due to a design flaw in the circuit board: the heatsink of a motor controller (which is connected to GND) touched the 5V pad of a resistor. I'm back on programming the NXT motors again :)
  15. AlmightyArjen
    Thanks for the comments, I appreciate it! And about my electronic skills: I got the NXT motors working a bit but I dropped the USB programming cable on the circuit board. Now it has somehow a short circuit and I don't know why: the circuit board must be resistant to small impacts like that. I guess I'm going to search for the error in the electronic jungle... ;)
  16. AlmightyArjen
    Thanks! I'm now working on getting the NXT motors to work properly. I'm using an Arduino shield for this: Works great but since I'm using one Arduino controller dedicated to the NXT motors, I need to make the Arduino's communicate with each other, which makes it a bit ore complex. But I'm getting there!
  17. AlmightyArjen
    I got the pneumatics working! I used for every valve an M motor to open/close it. Now the robot is able to grab a can! Next step is to open the fridge door!
  18. AlmightyArjen
    How do you fix the non-lego motor to the lego bricks? Do you glue it or something?
  19. AlmightyArjen
    To make a nice DC/AC converter is quite a hassle, google on it and you'll see
  20. AlmightyArjen
    If there´s an AC input on the thing, there´s probably a AC-DC converting circuitry inside. You can also screw it open and connect a 9V DC supply at the output of this circuit. Or does this go beyond your electronic capabilities?
  21. AlmightyArjen
    I like to automate things so I like to hand over the controls to "someone else" For me personal: I like it more to see the trains running and stopping by themselves rather than that I have to make a train stop. When I built it, I watched like half an hour how the trains were running: I loved it!
  22. AlmightyArjen
    Inhumanly beautiful! Lego could make a set out of it!
  23. AlmightyArjen
    How about you get too drunk and you forget the password? Maybe wise but where's the fun in that ;)
  24. AlmightyArjen
    I probably figured out a way how to open the fridge: The robot drives up to the fridge until the supports (green arrows) are against the fridge. Then the lower hand is pushed against the fridge handle, closed and pulled back by three pneumatic cylinders (red arrow). That way the robot can force itself against the fridge while opening it. This part already works. The next part is that the robot drives back 10cm (the fridge opens) and than opens the hand that holds the door handle. The fridge door remains open for a few centimeters. The robot drives back a bit, makes a turn and inserts the right fingers of the upper hand (blue arrow) between the fridge and the fridge door. After that the whole upper arm moves to the side and the robot moves slowly forward, opening the fridge. After that the robot needs to make a turn so the upper hand is facing the inside of the fridge and pick a beer out of it. In theory and in my mind it should work... Lot's of building to do
  25. AlmightyArjen
    It's looks really beautiful! And I love the dude with the 80's ghetto blaster
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