 | | Re: NXT Ultrasonic reporting wrong values
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(...) I'm not sure what you mean by "completely stopped" - stationary? I suppose it's possible that you actually have a bad US sensor. If you can find someone with a working one, try swapping sensors with them and see if the problem is isolated to (...) (20 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NXT-G using RCX items.
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----- Original Message ----- From: "Roger Glassey" <glassey@ieor.berkeley.edu> To: <lugnet.robotics.nxt...ugnet.com> Sent: Sunday, October 15, 2006 12:53 AM Subject: Re: NXT-G using RCX items. (...) Thanks for the infomation Roger. I'm going to (...) (20 years ago, 15-Oct-06, to lugnet.robotics.nxt)
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| | NXT Ultrasonic reporting wrong values
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A just get my NXT, and everything works fine, but the ultrasonic sensor is not reporting correct values. No matter what distance or direction it is pointed, the readings changes quickly from 1 to 3 inches (3 to 7 cm) even if the sensor is completely (...) (20 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NXT-G using RCX items.
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(...) I have a conveter cable so I finally did some tests with NXT-G and here is what I find-- RCX motor runs in both directions, and responds to the speed settings. The touch sensor works. The light sensor measures ambient light. But the bad news (...) (20 years ago, 15-Oct-06, to lugnet.robotics.nxt)
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| | Re: Ultrasonic Distance measurement
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(...) the (...) and (...) I've used the following circuit with 40SQR (which, I presume, is the same thing). 5V ,----R------, | | 1M | | | | R 47k | |\ | ,-----, | | | \ | | *---...---÷-----*--*- \ | | | | | >----*--- |40SQR| *--------*+ / | | | | / (...) (20 years ago, 14-Oct-06, to lugnet.robotics)
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| | Managing Memory
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I've got 8 kids working on NXT who have been experiencing "not enough memory". So, I did a little experimenting. Every new program takes a minimum of 6K. Every Move Block takes 0.5K Imagine that! 500 bytes for a simple move block. I haven't measured (...) (20 years ago, 14-Oct-06, to lugnet.robotics.nxt)
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| | Re: Ultrasonic Distance measurement
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(...) Sorry for the thread hijacking, but... Stef, where are your wonderful Lego sensor hardware pages? I can no longer find them on the web! I'm missing them, and probably a lot of people too! Philo (20 years ago, 14-Oct-06, to lugnet.robotics)
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| | Re: Ultrasonic Distance measurement
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(...) What kind of receiver amplifier do you use, these received signals are very-very small. see for example this: (URL) (20 years ago, 14-Oct-06, to lugnet.robotics)
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| | RE: NXT Ultrasonic sensor / Retreiving 8 OBjects at Once
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(...) aww yes , my bad ... 60 ms it is . (20 years ago, 13-Oct-06, to lugnet.robotics)
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| | Re: NXT-G using RCX items.
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(...) Well, you need converter cables of some sort to even connect RCX sensors and motors to the NXT. Beyond that, I'm not sure; I've not tried yet, because I don't have the converter cables to try. I suspect you will need the special NXT-G (...) (20 years ago, 13-Oct-06, to lugnet.robotics.nxt)
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| | NXT-G using RCX items.
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Hello Everyone: I just read the press release regarding the LEGO Mindstorms Education NXT. There is no discount available for their software that allows me to use my RCX motors, sensors etc with the NXT-G. Do I even need their version to run RCX (...) (20 years ago, 13-Oct-06, to lugnet.robotics.nxt)
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| | RE: NXT Ultrasonic sensor / Retreiving 8 OBjects at Once
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Did you mean 60 ms and not 6? The jpg seems to indicate 60. -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of bk227865 Sent: Friday, October 13, 2006 4:40 AM To: lugnet.robotics@lugnet.com (...) (20 years ago, 13-Oct-06, to lugnet.robotics)
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| | Re: NXT Ultrasonic sensor / Retreiving 8 OBjects at Once
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(...) While i set up NXT-G to wait for a US detection i held a mini microphone right against the us transmitter, there seems to come a pulse from it every 6 ms. (URL) (20 years ago, 13-Oct-06, to lugnet.robotics)
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| | NBC News for NXT
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Last night I uploaded a new beta to the NBC website. This new beta includes support for multi-dimensional arrays. In NBC you can now define arrays of 3 or 4 (or more) dimensions. You can use arrays of structures containing arrays of arrays, etc... (...) (20 years ago, 12-Oct-06, to lugnet.robotics)
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| | Re: Sophisticated Toy Robot to Get Mind-Altering Software
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(...) Allowing NXT-G to use arrays and clusters (aka structs) will be a nice addition to the language. Hopefully it is exposed in a way that does not require writing VIs in LabView. Hopefully they will allow for creating variables that are clusters (...) (20 years ago, 12-Oct-06, to lugnet.robotics)
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| | Sophisticated Toy Robot to Get Mind-Altering Software
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Just found this on livescience.com, don't know if this has been mentioned yet. (URL) Gallagher mikeslego (20 years ago, 12-Oct-06, to lugnet.robotics)
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| | Re: Fwd: Re: NXT direct commands
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(...) with defacto standards and protocols. No one supports this concept except you. No commercially available (or open source AFAIK) email clients support "Reply List". It is in your imagination only. Your list is simply less useful and more (...) (20 years ago, 11-Oct-06, to lugnet.robotics)
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| | help on lejos\rcxcomm
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Hello, I try to launch the example read/write PC<->RCX. The RCX part (Read) is compiled and downloaded. But I don't managed to the PC's part (write). It compiles with lejosjc.bat. But with java.exe, the following error message appears : ---...--- (...) (20 years ago, 11-Oct-06, to lugnet.robotics.rcx.java)
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| | Re: Fwd: Re: NXT direct commands
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dan miller writes: > [foolish people, fix your list to work in the real world -- reply-to > field==list addr] You need a better email client: (URL) --my blog is at (URL) | The War On Terror will end Crynwr sells support for free software | PGPok | (...) (20 years ago, 11-Oct-06, to lugnet.robotics)
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| | Re: Studless building techniques
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(...) Font issue, I'm sure. The text seems pretty consistent with its use of "M". (...) I wanted to point out here that this was the official LEGO web site you were looking at, not private pages. "M" is actually an internal measurement that TLG has (...) (20 years ago, 10-Oct-06, to lugnet.robotics.edu)
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