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(...) Ahh, Garbage Collection. <rant soapbox="on" eyes="glazed" dinosaur="true"> In my mind the worst thing that has happened to modern compiler languages is excessive reliance on Garbage Collection. This is analogous to leaving half-empty soda cans (...) (22 years ago, 29-Nov-03, to lugnet.robotics.rcx.java)
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| | GP2D12 Please help
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Please help. I just recently got a Sharp GP2D12 ir distance ranger plus RCX interface device from mindsensors. It is pretty cool, however I am getting alot of flucuation in the readings and in turn I think that i am losing out on range. The maximum (...) (22 years ago, 29-Nov-03, to lugnet.robotics.rcx.legos)
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| | Re: Opening COM port error
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(...) Hi Chris, Thanks for your reply. You're reply confirmed my suspicion about leaving the port object lying around. I think I'll try your first suggestion of 'deleting' the port object at the end of each routine. I hope you dont mind me asking (...) (22 years ago, 29-Nov-03, to lugnet.robotics.rcx.java)
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| | Re: Robolab, byte codes and assembler
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(...) All this talk of patching firmware to correct for problems in rotation sensor readings is very interesting, but I think you may be approaching the problem a bit too directly. First, if the competition rules specify the programming environments (...) (22 years ago, 28-Nov-03, to lugnet.robotics.rcx.robolab)
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| | Re: Robolab, byte codes and assembler
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In lugnet.robotics.rcx.robolab, Claude Baumann wrote: <snip> (...) The main need is to return to the starting point after completing various challenges. I think the challenges also involve objects at known positions compared to the starting point (...) (22 years ago, 28-Nov-03, to lugnet.robotics.rcx.robolab)
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| | Re: Simulating pneumatic sequencers, was Re: Pneumatic Quadraped 242
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(...) Hi Kevin, Here is a simple circuit that also require some initialisation: (URL) didn't find the digital equivalent of the .IC (initial condition) used in analog simulations, but if you use the probe tool (arrow on the screen capture) and click (...) (22 years ago, 28-Nov-03, to lugnet.technic, lugnet.robotics)
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| | Re: Please help (Follow up to my earlier post)
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(...) My laptop is a Satellite 2455 series. Maybe laptops of this serie don't crash but produces the strange behaviour that I had with the USB Tower. I'd like to know if someone else had the same problems that I had. Anyway, it's good to know that (...) (22 years ago, 28-Nov-03, to lugnet.robotics)
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| | Re: Please help (Follow up to my earlier post)
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(...) Bricklink (...) make (...) I (...) transmit (...) an (...) brickCC). (...) 300 (...) this (...) I'd be interested in seing if your laptop was a p series (P15, P25, etc). There is another person on the lugnet.robotics.rcx.robolab who has had (...) (22 years ago, 28-Nov-03, to lugnet.robotics)
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| | Re: Opening COM port error
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(...) This probably is an issue of leaving your Port object around after you're done using it. You have a memory leak in each routine, because you call 'new RCXPort();' without ever calling 'delete port;' on the object. You should definitely call (...) (22 years ago, 28-Nov-03, to lugnet.robotics.rcx.java)
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| | Re: Simulating pneumatic sequencers, was Re: Pneumatic Quadraped 242
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(...) Philo, I downloaded the tools, and entered the base schematic for Quad242. Quad242 depends on some initial conditions where 4 of the 5 flops have a value of 1. I've read the docs and not found a way to preset the flops. Any ideas? Your choice (...) (22 years ago, 28-Nov-03, to lugnet.technic, lugnet.robotics)
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| | Re: Please help (Follow up to my earlier post)
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(...) Hi Rob, I have a Toshiba Laptop with a USB 2.0 and I bought a USB Tower at Bricklink because my Laptop doesn't have a serial output (I think that they do not make laptops with it anymore). At my first try my computer didn't lock up, but I (...) (22 years ago, 28-Nov-03, to lugnet.robotics)
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| | Opening COM port error
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Hi guys, First of all, thanx Brian, but I managed to solve the weird firmdl.bat problem by fooling around with different batteries and IR range levels. Secondly,I'm trying to send data packets to the RCX through java methods called from a C++ (...) (22 years ago, 28-Nov-03, to lugnet.robotics.rcx.java)
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| | Re: Robolab, byte codes and assembler
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---...--->snip (...) I guess the competition asks you to run a certain distance as precisely as possible, or/and do some precise turns. We often experienced this kind of challenges in our school. The best way seemed to be to collect statistical (...) (22 years ago, 28-Nov-03, to lugnet.robotics.rcx.robolab)
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| | robotics
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hi i just found this (URL) looks like robitic bricks :) pixel (22 years ago, 28-Nov-03, to lugnet.robotics, lugnet.technic)
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| | Re: Robolab, byte codes and assembler
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(...) <snip> (...) I'm quite interested in the alternative firmware for myself. However, for this particular problem, if a correct rotation count is my "Apollo 13's needed filter", then Robolab is the "cover of the flight manual" - it's what I have (...) (22 years ago, 28-Nov-03, to lugnet.robotics.rcx.robolab)
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| | Re: Pneumatic Quadraped 242
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(...) Thanks Eric! (...) Sure! (...) I just ordered up 20 small pistons to make one that is faster. I should add head and tail. I wonder if a tail and a head can be articulated so I can reduce foot side. (...) Thanks Eric. (...) Very cool Eric! (...) (22 years ago, 27-Nov-03, to lugnet.technic, lugnet.build, lugnet.robotics, FTX)
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| | Re: Robolab, byte codes and assembler
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(...) It really is. I do think somebody made a mistake specific to the rotation sensor, though. I haven't decided yet whether it's the firmware, the sensor, or just the overall mechanism. I can understand how it got past quality control - sometimes (...) (22 years ago, 27-Nov-03, to lugnet.robotics.rcx.robolab)
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| | Re: Robolab, byte codes and assembler
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(...) Unfortunately, I fear the comparison is all too true! So, is my robot going to blow up? ;) (...) I'd appreciate some specifics. So far, I have not been able to find a way to do this in Robolab. I wrote some code to test raw sensor values and (...) (22 years ago, 27-Nov-03, to lugnet.robotics.rcx.robolab)
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| | Re: Pneumatic Quadraped 242
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(...) Perfect! (...) Way to go! (...) (URL) Facinating! (...) Intense! (...) Can I build a Mecha Sheith for it? An outer skin? Can I can I! Question: Any entertainment for a Tail of some sort to study the effect during articulation? Nice work. e (...) (22 years ago, 27-Nov-03, to lugnet.technic, lugnet.build, lugnet.robotics, FTX)
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| | Re: multiple motors
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(...) hmm. see rule #1: (URL) my BIGGEST piece of advice for your sumo robot: make SURE it does not leave the sumo area on it's own." :) Steve (22 years ago, 27-Nov-03, to lugnet.robotics.rcx)
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