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I am building a six legged robot to emulate an ant, and I need a good way to tell what direction it is facing. I am using a Handy Board with an extension board, and I don't want to spend too much. I have looked at compasses and gyros, but I am not (...) (23 years ago, 15-Jun-02, to lugnet.robotics)
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| | MinuteTimer and currentTimeMillis()
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I am writing a class which can be set with the actual time and then provide the value to other classes. It only has to be accurate to the minute. I've done this in NQC, but am trying to figure out how to do it using Lejos. If currentTimeMillis() is (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx.java)
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| | Re: Lasers, et al...
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You'll find what you look for here : (URL) Also, has anyone built a homebrew sensor that uses a slotted wheel (...) (23 years ago, 15-Jun-02, to lugnet.robotics)
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| | Re: RCX Code Documentation and FLL Coaches Training
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Dean, I'd be glad to volunteer to be a teacher reviewer for your documentation. I teach Robotics in the Classroom a class for teachers at WSU. The Help menu within RCX 2.0 explains each code block and gives an example of its use. I found this (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx.robolab)
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| | Re: I^2C bus with LEGO Mindstorms
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(...) You can get one or two signals per second. I tested it with the knight rider test tool from the same Elektuur project and with the 4 digit led display. This is a very old project from Elektuur ... the serial number is 920004-11 ... I think ist (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx)
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| | Re: I^2C bus with LEGO Mindstorms
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Hi Jan, I tested it and it's veeeeery slooo...oooww. Elektuur writes that the interface could be an extention of the RCX for more sensors you may use for your roboter. The software is written for NQC and uses some sensor functions to realize the i2c (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx)
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| | Re: LEGO cuts the price of the RCX Brick
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"Todd Lehman" <todd@lugnet.com> schreef in bericht news:GxptxE.CA5@lugnet.com... (...) overcompensate -- (...) If the LEGO US 110v adapter is similair to the Europe 220v adapter in terms of output : it outputs around 9.2-11.4v AC (note the AC, DC (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | I^2C bus with LEGO Mindstorms
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The dutch electronics magazine Elektuur posted an article 2 months ago about making an I^2C interface for the RCX. You can download PCB layout and software at (URL) partslist is at (URL) gonna try to lend a copy from the library and scan it... this (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Re: Navigation using landmarks (Was: Re: lasers and RCX)
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(...) I looked into several patterns. What would be ideal would be something which you could drive across along any straightline path and get back your direction and position from the pattern of dark and light. It seems rather unlikely that such a (...) (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: LEGO cuts the price of the RCX Brick
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(...) Um, are you asking about the power adapter that you might take off the 9V train regulator, for example? My expectation is that this item being discounted is the brick only, and the brick takes in power at its input plug but does not come with (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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