 | | Re: Ultrasonic Distance measurement
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(...) hi Philipe, while I had too little webspace, and my kids are getting too old (so no more new Lego developments), I had to remove the site. But here it is again: (URL) fun, Stef (19 years ago, 15-Oct-06, to lugnet.robotics)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) What I discover just now: If I press the light gray conector case behind the sensor case with my nail, it will report the correct values!! but when I release, it stop working again. It seems to be a bad contact inside the sensor. How can I fix (...) (19 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) Yes, "stationary" is the correct word... The problem that i bought this one in UK, but i live in Brazil. No one here have this set (Actualy, i don´t know anybody who plays with LEGO mindstorms also...) With BrickxCC watching this sensor I get (...) (19 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | 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 (...) (19 years ago, 15-Oct-06, to lugnet.robotics, 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 (...) (19 years ago, 15-Oct-06, to lugnet.robotics, 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| *--------*+ / | | | | / (...) (19 years ago, 14-Oct-06, to lugnet.robotics)
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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 (19 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) (19 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 . (19 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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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 (...) (19 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) (19 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... (...) (19 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 (...) (19 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 (19 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 (...) (19 years ago, 11-Oct-06, to lugnet.robotics)
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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 | (...) (19 years ago, 11-Oct-06, to lugnet.robotics)
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| | Ultrasonic Distance measurement
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I have a 40 Khz ultrasonice transmitter reciever pair. I am using the transmitter on a 40Khz oscillator circuit. I do not recieve anything on the reciever. Can anybody please help???? The transmitter am using is SQ40T and the reciever is SQ40R. (19 years ago, 9-Oct-06, to lugnet.robotics)
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| | Sobre Bicklink
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Hola busco opiniones Hice un pedido en Bricklink a Alemania. Lo hice sin pagar seguro y no me ha llegado He escrito un feedback en Bricklink señalando que no lo he recibido y que el pedido lo hice sin pagar seguro. Y ahora el vendedor pide que (...) (19 years ago, 5-Oct-06, to lugnet.robotics)
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| | An Analysis of the NXT Bluetooth Communication (with advice)
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I posted an analysis of the NXT's Bluetooth communications protocol at (URL) can be used in three ways. If you are designing NXT programs that communicate via Bluetooth, this article will tell you (perhaps with too many details :-) how to exchange (...) (19 years ago, 5-Oct-06, to lugnet.robotics)
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| | Annelus
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Hello everyone, I have finally finished a rather large project that has occupied my time for some months now. I started building Annelus when I discovered (URL) Rotundus> and decided to emulate the creation. What I came up with was a month long (...) (19 years ago, 4-Oct-06, to lugnet.robotics, FTX)
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