 | | Project WIRRL Update
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Hello everyone, WIRRL stands for "Wireless Infra-Red Radio Link". Creating each leg of the RF link independantly isn't really a problem (once you have a reliable 38kHz IR carrier wave). The problem is eliminating link feedback by controlling the (...) (23 years ago, 21-Oct-02, to lugnet.robotics)
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| | Re: LEGO Mindstroms 2.0: Alternative transmission techniques
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(...) Andreas, IR struggles to keep contact in one room, so you need an RF wireless solution. It is possible to include a PDA with Bluetooth or WiFi support as part of your robot, and communicate between the PC and the PDA over the RF protocol, and (...) (23 years ago, 20-Oct-02, to lugnet.robotics.rcx.java)
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| | Re: Anyone for Chess?
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(...) I remember seeing one about 10 years ago, but I don't think it was very popular because of the speed and accracy. I beleive it used a touch sensor grid to detect moves, rather than scanning the board for changes. To move pieces out of the way, (...) (23 years ago, 20-Oct-02, to lugnet.robotics)
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| | AW: LEGO MindStroms 2.0: Alternative transmission techniques
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I have read the book "Core Lego Mindstorms Programming" and this book also discusses navigation. Since this is also my first project with the RCX I don't have much practical experience with navigation. I'm close to testing my dead reckoning system. (...) (23 years ago, 20-Oct-02, to lugnet.robotics)
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| | Re: LEGO MindStroms 2.0: Alternative transmission techniques
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(...) You don't discuss how the robot (or PC) knows where it is. That's the hard part - there has yet to be anything remotely like a solution reported here. We've discussed placing landmarks (like marks on the ground, flashing lights, etc) around (...) (23 years ago, 20-Oct-02, to lugnet.robotics)
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