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 Robotics / RCX / Search Results: range USB IR long Tower
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  Re: More than 1 integer in a data packet?
 
(...) I'm not a leJOS expert by any stretch of the imagination. But I think I can help. (...) That is not a correct understanding of the rcxcomm package API. The RCXOutputStream class, for example, which descends from java.io.OutputStream inherits (...) (21 years ago, 2-Oct-03, to lugnet.robotics.rcx.java)
 

ir
(score: 1.350)

  Re: IR Sensitivity - Was: 1.5/2.0 infrared problem
 
(...) OK thanks for your reply! But the bad thing is that two RCX2.0 could not communicate properly....Am I wrong?? Chris. (21 years ago, 23-Oct-03, to lugnet.robotics.rcx)
 

ir
(score: 1.349)

  Re: IR Sensitivity - Was: 1.5/2.0 infrared problem
 
chip 1138 / chip 1176 Strange... 38 + 38 = 76 What does that mean? Rob "Mark Riley" <markril@hotmail.com> wrote in message news:Hn6xKJ.1o68@lugnet.com... (...) its (...) reflected (...) axle (...) same (...) post on (...) on (...) messages. (...) (...) (21 years ago, 23-Oct-03, to lugnet.robotics.rcx)
 

ir
(score: 1.349)

  Re: Multiplexing 4 touch sensors on an RCX input port
 
(...) LEGO purists use LEGO light bricks as resistors. I created potentiometer bricks, where the resistance is variable for each brick. Two stacks of 4 potentiometer bricks can be seen to the left of the RCX. In this case each stack puts the (...) (21 years ago, 9-Sep-03, to lugnet.robotics.rcx)
 

range
(score: 1.348)

  Re: IR Sensitivity - Was: 1.5/2.0 infrared problem
 
(...) Mine have been apart more often than I'd like, too! :-) (...) My guess would be mostly for increased communication speed. With the higher baud rate, the duration of the 2-byte Spybot/Manas packets is halved. This allows for fewer collisions (...) (21 years ago, 26-Oct-03, to lugnet.robotics.rcx)
 

ir
(score: 1.348)

  Re: Multiplexing 4 touch sensors on an RCX input port
 
I have done work in this area. I chose to solve the problem to permit 4 touch sensors to be pressed in any arbitrary combination with high probability of getting the answer right :) A simple R, 2R, 4R, 8R scheme will do. I chose R = 40.2K. This is (...) (21 years ago, 10-Sep-03, to lugnet.robotics.rcx)
 

range
(score: 1.348)

  Re: Multiplexing 4 touch sensors on an RCX input port
 
(...) I've made one. A wall follower. I set the sensor to raw mode and looked at three ranges. It tried to stay in the middle range, which for this 'bot meant lightly touching the wall. The wall follower had a bumper analogous to a highly curved (...) (21 years ago, 12-Sep-03, to lugnet.robotics.rcx)
 

range
(score: 1.348)

  Touch Sensor resistance versus button displacement
 
Here is a chart showing the variation of contact resistance of several touch sensors while pressing button very progressively. (URL) There are huge differences between various sensor Lightly pressed touch sensors have contact resistance in the 2 to (...) (21 years ago, 11-Sep-03, to lugnet.robotics.rcx, FTX)
 

range
(score: 1.348)

  Re: IR Sensitivity - Was: 1.5/2.0 infrared problem
 
(...) Mark, Thanks for posting this. I've been trying to figure out how to do that, but I don't know enough about the IR messages and baud control of BrickOS to do it myself. (...) I don't know if this is printed anywhere, but here's some more info (...) (21 years ago, 3-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.spybotics)
 

ir
(score: 1.347)

  Re: IR Sensitivity - Was: 1.5/2.0 infrared problem
 
(...) Hi Philippe, I've been adding support for the Spybot and Manas remotes to my custom firmware LDCC. The idea is to allow 3 people to each control a seperate train using these remotes. This is how I discovered the problem with RCX 1.0 not (...) (21 years ago, 3-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.spybotics)
 

ir
(score: 1.347)

  Team Spybot (was: Yet another NQC spybot API submission)
 
(...) I recently made a pair of Spybots that could work together for an autonomous sumo competition. I wanted to use the Spybot "ZONES" but found this info is not available in NQC. It was pretty easy to pick up Mindscript, and I was able to do just (...) (21 years ago, 17-Oct-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
 

ir
(score: 1.347)

  Re: IR Sensitivity - Was: 1.5/2.0 infrared problem
 
(...) Hello Mark, How did you managed to receive Spybot remotes messages with your RCX? I tried several settings, no luck :-( Philo (21 years ago, 2-Nov-03, to lugnet.robotics.rcx)
 

ir
(score: 1.347)

  More Spybotics NQC API stuff (work in progress)
 
A lot of this is untested and very rough. For some reason I still can't get the Spybot to send out RC messages to a Manas unit. Sending an RCX message (opcode 0xF7) is quite simple - either using the ROM subroutine SendRCXMessage or by using the (...) (21 years ago, 18-Oct-03, to lugnet.robotics.spybotics, lugnet.robotics.rcx.nqc)
 

ir
(score: 1.347)

  Re: IR Sensitivity - Was: 1.5/2.0 infrared problem
 
(...) Thanks, Mark, I was indeed using standard firmware through NQC... Philo (21 years ago, 3-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.spybotics)
 

ir
(score: 1.347)

  Re: IR Sensitivity - Was: 1.5/2.0 infrared problem
 
(...) [snippage] (...) [more snippage] (...) Glad you like the chart. Trying to find a way to present the information in a useful manner was the trick for me, too. :-) I'll have to throw up a web page or something. As to figuring it out, credit has (...) (21 years ago, 4-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.spybotics)
 

ir
(score: 1.347)

  Re: IR Sensitivity - Was: 1.5/2.0 infrared problem
 
(...) As cool as this sounds, it's not right. :( Sorry about that. There are just the two bits (like Mark said above). See, this is why I haven't been able to get my Spybot remote to work with my RCX. :) Steve (21 years ago, 3-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.spybotics)
 

ir
(score: 1.347)

  Re: More Spybotics NQC API stuff (work in progress)
 
Some slight revisions to the previous submission. And now I have finally figured out how to get the Spybot to control Manas. I'm very puzzled by the equations for setting the output bytes. Any explanations would be greatly appreciated. #include (...) (21 years ago, 19-Oct-03, to lugnet.robotics.spybotics, lugnet.robotics.rcx.nqc)
 

ir
(score: 1.347)

  Re: IR Sensitivity - Was: 1.5/2.0 infrared problem
 
(...) ... (...) ... (...) Yes. The extra channels are for non-repeating stuff. Like you said. (...) Well, I've discovered (while working on a Spybot project) that if you ask just the right question, the people at LEGO may reply to it. They are (...) (21 years ago, 4-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.spybotics)
 

ir
(score: 1.347)

  FindWorld & ClearWorld Spybot NQC API additions
 
Another addition to spy.nqh : #define REL_GT 0 #define REL_LT 1 #define REL_EQ 2 #define REL_NE 3 __nolist void FindWorld(int &v, const int relsrc, const int crit, const int& thresh) { asm { 0xd5, &v : 0x3000001, 0x2a + relsrc, crit, &thresh : (...) (21 years ago, 21-Oct-03, to lugnet.robotics.spybotics, lugnet.robotics.rcx.nqc)
 

range
(score: 1.344)

  Re: Trains, DCC, and pbForth
 
(...) I have been working on a different project toward the same end-- improved train layout automation, and I have had similar questions as to whether it is worth the effort for the small number of people who might actually benefit from it. Since (...) (21 years ago, 21-Nov-03, to lugnet.trains, lugnet.robotics.rcx.pbforth, FTX)
 

ir
(score: 1.341)

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