 | | Possible bug? Simple light sensor condition checking.
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I tried my own skill on writing a program for the included lego test pad (RIS 2.0), and I discovered something weird. The following code does set the conditions right, but the following code doesn't set the conditions right if I comment out the (...) (17 years ago, 16-Jul-07, to lugnet.robotics.rcx.legos)
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| | Program doesn't work
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Does someone know why motors on RCX are not working with this code: #include<unistd.h> #include<conio.h> #include<dsensor.h> #include<dmotor.h> int main(int argc, char **argv){ ds_active(&SENSOR_1); while(1){ if(TOUCH_1){ dlcd_show(LCD_ARMS); (...) (17 years ago, 14-Jul-07, to lugnet.robotics)
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| | New NXC/NBC release is available
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I have released today beta 31 of NBC/NXC. Lots and lots of fixes and enhancements. Some of your code may not compile due to fixes that I have made to the parser. It used to let things get past which it should not have been allowing such as extra (...) (17 years ago, 13-Jul-07, to lugnet.robotics.nxt)
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| | Fwd: Robotics - Stolen Life (fwd)
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Hello I'm wondering if you can help me. I am an independent filmmaker. I have just released the DVD of a new film "Stolen Life". Stolen Life is an unusual science fiction story populated entirely by industrial (non-humanoid) robots. Do you know of (...) (17 years ago, 13-Jul-07, to lugnet.robotics)
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| | RunBot
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I saw this on Slashdot: (URL) find it interesting that parts of this robot are TECHNIC-esque. That and the fact that the robot walks and runs like a real person. (17 years ago, 13-Jul-07, to lugnet.robotics, lugnet.technic)
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| | Re: Teaching Bluetooth and Protocols
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(...) Sounds like a great way to test. We could probably try the experiment tomorrow. At the moment, the 10 boys in this week's class are more inclined to play "grab the flag" using automonous robots than BT Remote Control. We experienced the 5 pair (...) (17 years ago, 12-Jul-07, to lugnet.robotics.nxt)
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| | Re: Sign of center pin on power adaptor
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(...) You must be dealing with a different release of the battery pack than I am, since the only portion of the US instructions that mentions numbers states the output of the battery pack (10VAC, 7VA) and the approximate charge time (4 hours). There (...) (17 years ago, 12-Jul-07, to lugnet.robotics.rcx)
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| | NXTasy challenge #3
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For those not reading TheNXTStep not NXTasy (are there any?) - I organize a new community challenge over NXTasy forums. The challenge is to build a NXT 'ANT' ('ANxT' for short) which carrys a weight over 1 meter distance above ground. The extra fun (...) (17 years ago, 12-Jul-07, to lugnet.robotics.nxt)
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| | Re: problem with the RCX
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"Brian Davis" <brdavis@iusb.edu> wrote in message news:JL1oK5.K84@lugnet.com... (...) This might help! (URL) (...) (17 years ago, 12-Jul-07, to lugnet.robotics.rcx)
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| | Re: Teaching Bluetooth and Protocols
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(...) As soon as I get ten NXTs handy, I'll be sure to test this. In fact, I may know somebody who could test this (or at least I can think of a place, NI Week, where I might). Very odd. Try this. Establish five pairs, and then establoish a sixth (...) (17 years ago, 12-Jul-07, to lugnet.robotics.nxt)
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| | Re: problem with the RCX
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(...) Is the RCX still working? Does it "get hot" when it's running an unloaded motor? I would have thought that the 500 mA limit within the RCX case would prevent this, but perhaps it's marginal for some plastic piece "nearby". If the RCX is dead, (...) (17 years ago, 12-Jul-07, to lugnet.robotics.rcx)
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| | Re: Teaching Bluetooth and Protocols
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(...) Strange indeed, But, that's what we experienced. I have faith that more than 5 pairs can communicate all at the same time. On the other hand, maybe we used up all the channels. Perhaps like in RC airplanes, we ran out of crystals. (17 years ago, 11-Jul-07, to lugnet.robotics.nxt)
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| | binsert question
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Starting with the original NXTGCC source, if I disable binsert in the makefile, the firmware crashes on boot. The firmware development which I am doing will probably increase the size of the firmware by around 20KB, so I'm wondering if I need to do (...) (17 years ago, 11-Jul-07, to lugnet.robotics.nxt.nxthacking)
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| | problem with the RCX
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One of my students accidently left a tied up gear train running for a while, i.e. In the midst of running a RCX, the case not only gets very hot, but also has a very strong plastic burning smell. At first I thought it is due to the stuck gear train, (...) (17 years ago, 11-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) I agree. (...) The spec on the train AC adapter exactly matches the spec in the Li-Ion battery pack instructions. Jürgen (17 years ago, 11-Jul-07, to lugnet.robotics.rcx)
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| | Re: Teaching Bluetooth and Protocols
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(...) ... (...) Just to be clear, you got 5 pairs of master/slave NXTs to communicate as pairs? But if you added a 6th pair, then those two could not connect to each other? That's really strange... Ralph (17 years ago, 11-Jul-07, to lugnet.robotics.nxt)
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| | Teaching Bluetooth and Protocols
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I've reached a goal this summer. Last week, 5 kids got into Bluetooth and made simple remote controls. I provided two simple NXT-G programs, BTSend on the Master NXT Remote Control and BTRecv on the Robot Slave. BTSend uses the left and right NXT (...) (17 years ago, 11-Jul-07, to lugnet.robotics.nxt)
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| | Re: Introduction of LEJOS OSEK
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LEJOS OSEK ver.1.03 was just released. (URL) 1.03 includes a minor bug fix and a new interesting application example which is called NXT GT. NXT GT is a Bluetooth based R/C car and you can control the NXT GT by using PC analog game pad controller! (17 years ago, 11-Jul-07, to lugnet.robotics.nxt)
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| | Re: Sign of center pin on power adaptor
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(...) Whoops, I missed that there was a third option. I concur with this, as it's both the right voltage and confirmed AC. The mA rating, BTW, is a capacity rating, so it will work for anything that draws 800mA or less. The NXT adapter is rated for (...) (17 years ago, 11-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) All my train PSUs are 10V AC, but are rectified and regulated to a nice 9V internally. (17 years ago, 11-Jul-07, to lugnet.robotics.rcx)
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