 | | Re: Electrical Data Link between 2 RCXs
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(...) Hi Dean, meanwhile I followed your suggestions and implemented a scheme that uses a pulse scheme like this: ______ ______ ______ __ ______ ______ ___...___ Start Bit3 Bit2 Bit1 Bit0 A bit value of 1 results in a long pulse, a bit value of 0 in (...) (24 years ago, 3-Apr-01, to lugnet.robotics.rcx.nqc)
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| | max size of .lx
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I got a .lx file that size is 9660 bytes, I am not sure if it can be downloaded to RCX, what is the max size of .lx? Zhengrong (24 years ago, 3-Apr-01, to lugnet.robotics.rcx.legos)
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| | What difference between 0.2.4 and 0.2.5?
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I am using 0.2.4 now, I want to know what difference between 0.2.4 and 0.2.5 to decide if I need to upgrade it. Br Zhengrong (24 years ago, 3-Apr-01, to lugnet.robotics.rcx.legos)
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| | RIS 1.5 Arrived! Dooh!!!
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My RIS 1.5 finally arrived today from Amazon.com! Yay! Unpacked it. Wow, lots of wheels. Ah, that's the RCX I've read about. Let's try 'er out. Put batteries in it. hmmmm..... doesn't turn on.... must be the stupid battery charger... Put in fresh (...) (24 years ago, 3-Apr-01, to lugnet.robotics.rcx)
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| | Combo sensors (rotation AND light, same input)
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Hi, I've got a way to use a Rotation sensor and a light sensor on the same input, and get reliable, useful values from both. This is for real. See : (URL) was interested if anyone else has done this. Enjoy everyone. Mike Amy (24 years ago, 2-Apr-01, to lugnet.robotics.rcx.legos)
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| | Re: light sensor multiplexer
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hi Nitil, that's a nice and simple cirquit, but isn't there anything wrong with the grouding ? (...) -- met vriendelijke groet, Stef Mientki email: s.mientki@ids.kun.nl tel: 024 361 3905 fax: 024 354 1211 Postadres: KUN / fmw 171 Instrumentele (...) (24 years ago, 31-Mar-01, to lugnet.robotics.rcx)
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| | Re: Yet another Q: IR messages
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(...) Hi Tobias I'm not very familiar with NQC events, but if you want to use a blocking function for receiving your message, use parts of the code i posted before. int local_message = 0; int global_message = 0; task main() { //do what you like (...) (24 years ago, 31-Mar-01, to lugnet.robotics.rcx.nqc)
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| | Re: Yet another Q: IR messages
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If I am understanding what you want correclty (I have never used the RCX-code) only NQC then try this. Assume: RCX2 is sending message # 15 to RCX1. RCX1 is in a waiting state until it gets the message RCX code: . . . While (Message() != 15){ ++i; } (...) (24 years ago, 31-Mar-01, to lugnet.robotics.rcx.nqc)
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| | Re: "Speed" of control statments
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Actually, its not a general programming question. Efficiency of something like events is heavily dependent on the operating system (in this case the Lego firmware). Efficiency of "if" vs. "switch" can be very dependent on the compiler and the CPU (...) (24 years ago, 31-Mar-01, to lugnet.robotics.rcx.nqc)
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| | Re: light sensor multiplexer
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Hello to every one.... all the time I was promising to put up ckt Digram for time being I have included hand drawn Ckt visit (URL) I am using are low thereshold FETs (...) (24 years ago, 30-Mar-01, to lugnet.robotics.rcx)
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| | Re: Yet another Q: IR messages
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Thanks for the information so far. Is there any NQC command similar to the RCX-code "wait until message"-block? --Tobias (24 years ago, 30-Mar-01, to lugnet.robotics.rcx.nqc)
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| | Re: R: May I use RCX to play a .wav file?
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Thank you very much! I think your utilities are evry useful! I don't know more about music, so I wan to ask you, if you can convert MIDI to NQC, why didn't you also convert WAV to NQC? Although I can convert WAV to MIDI using anothe utility, then (...) (24 years ago, 30-Mar-01, to lugnet.robotics.rcx)
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| | R: May I use RCX to play a .wav file?
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Hi Zhengrong, (...) changed) (...) 93, (...) 160, (...) I wrote a small utility that converts midi files in LegOs or NQC source files and another utility that can convert a "certain" type (i.e. noises) of wav samples in LegOs. I think that playing (...) (24 years ago, 30-Mar-01, to lugnet.robotics.rcx)
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| | "Speed" of control statments
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I have been currently working on a control program that necessitates the highest reaction time possible. Does anyone what the fastest control statements would be using NQC (making the outputs react to sensor values as fast as possible)? i.e. Which (...) (24 years ago, 30-Mar-01, to lugnet.robotics.rcx.nqc)
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| | Re: Lejos Rerun
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(...) If the batteries are flat, then nothing would be remembered anyway, right? :) I guess that you could upload data to the PC, and then download it again when the 'bot needs it. The PC could also do some processing on the data to make the RCX's (...) (24 years ago, 30-Mar-01, to lugnet.robotics.rcx.java)
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| | Lejos Rerun
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Hi All, I am working in Lejos, which I've found to be a great environment to get working (on Windows 98) and to work in, and have a problem. In earlier versions of Lejos(at least according to the docs), and Tinyvm, objects persisted across runs. I (...) (24 years ago, 30-Mar-01, to lugnet.robotics.rcx.java)
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| | Re: May I use RCX to play a .wav file?
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Thanks. Now I have converted wav file to mono data sampled at 11025Hz (can be changed) and sample range is 0-255 as below: 144, 150, 154, 156, 160, 159, 154, 149, 143, 134, 128, 120, 110, 103, 97, 93, 91, 93, 96, 102, 110, 120, 127, 138, 149, 156, (...) (24 years ago, 30-Mar-01, to lugnet.robotics.rcx)
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| | Re: May I use RCX to play a .wav file?
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This has been asked many times before, and while it seems like it should be possible in theory, it's not possible in practice. The reason is that the speaker is connected to one of the special outputs of the H8 processor which is designed to pulse (...) (24 years ago, 29-Mar-01, to lugnet.robotics.rcx)
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| | Re: Yet another Q: IR messages
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To send a message use the following: SendMessage(<variable> or <number>); The variable must be of integer type between 1 - 255 The number must be between 1 - 255 To read a message from the IR port do <variable> = Message(); This will put whatever (...) (24 years ago, 29-Mar-01, to lugnet.robotics.rcx.nqc)
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| | Re: Yet another Q: IR messages
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Hi Tobias, this could look something like this for example : int global_message; // place to store and read messages for every task task main() { start Read_Messages; // start Receive_Message Task while(true) { switch (global_message) { case 1 : (...) (24 years ago, 29-Mar-01, to lugnet.robotics.rcx.nqc)
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