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 | | RE: roboball
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| Hi Mr Soh, Thank you very much for your input. Would you share your experience and views regarding tackling roboball with the LEGO RCX and light sensors, without other soldering electronic components. I have a bunch bright young 11-14 kids, I want (...) (21 years ago, 15-Jun-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
| | | | | Re: roboball
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| (...) Hi there and welcome to the world of RoboSoccer, It appears you have the Wiltronics (Australia) roboball which looks like this (URL) There is another type by EK (Japan) that looks like this (URL) The Wiltronics roboball has a built-in 9v (...) (21 years ago, 15-Jun-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
| | | | | Re: roboball
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| (...) Hi Elizabeth, The red LED serves only as an on/off indicator. And, as it only functions when the battery is fully charged, it is not a very good one. The rest of the LED's are infrared and invisible to the naked eye. One way to "see" the light (...) (21 years ago, 13-Jun-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
| | | | | roboball
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| Hi, I got a roboball and wished to test it out for my group of kids to do a soccer game. When I first received it, one light bulb was lit. I tested it with the lego light sensor, but no reading. Then I connected it to a 9v . Unfortunately, now, the (...) (21 years ago, 13-Jun-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
| | | | | Re: true realtime event?
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| (...) It does allow some very interesting abilities too. I used it for a line-follower, where three tasks could dynamicly alter their priority depending on what was going on. Another use would be a multi-goal system. For instance, one task could be (...) (21 years ago, 19-May-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
| | | | | RE: true realtime event?
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| It's not a true realtime interrupt. Some events may be recognized immediately (e.g. a new "mailbox" message, and some may be recognized on a 100 millisecond background scan (e.g. a "click" event). The event monitoring code does not put the task into (...) (21 years ago, 19-May-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
| | | | | Re: true realtime event?
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| I can't answer your actual question, but have a close look at the way your tagline comes across. It looks (unintentionally, I'm sure) like you are closely affiliated with the LEGO company. I googled for your name and found a link to a post where you (...) (21 years ago, 19-May-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
| | | | | true realtime event?
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| Hi I am trying to find out whether the event in Robolab is a truly realtime interrupt. Once the event is triggered, does it truly preempt the current running process? Input or suggestion to reading material will be appreciated. ---...--- -------- (...) (21 years ago, 19-May-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
| | | | | tips to handle firmware download problem
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| Hi, Is it easy way to unload the firmware from the RCX without having to remove the batteries? I have had problems with downloading firmware... Thank you in advance for your input. -- Elizabeth (21 years ago, 14-May-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
| | | | | RE: rcx brick fail to download
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| Yes. Out of desperation, I removed all batteries. After waiting for a few minutes, redownload works fine. Thanks to all who have offered help, as always. -- E (...) (21 years ago, 29-Mar-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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