 | | Re: Robot Magazine latest issue contains article about NXT Mindstorms Robotics
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(...) And now for the comments... The article is a good overview of the Mindstorms NXT product and does a fair job explaining the differences between the old RCX and the new product. It reads a little like a press release in that it covers the (...) (20 years ago, 12-Apr-06, to lugnet.mediawatch, lugnet.robotics)
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| | lnpd exexutable
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I have a friend who's not yet able to post, so he wanted me to post a question for him. Does anyone have an lnpd executable compiled for Windows (cygwin or not)? Thanks Steve (20 years ago, 11-Apr-06, to lugnet.robotics)
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| | Re: Request for info on the Control Lab Interface.
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(...) Thanks for your information! I was also sent via email a very helpful page: (URL) His (URL) Research Page> has source code, which was also helpful. In fact, his ActiveX control might be useful for NQC. I had trouble getting it to connect to my (...) (20 years ago, 12-Apr-06, to lugnet.robotics, lugnet.technic, FTX)
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| | Re: Request for info on the Control Lab Interface.
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(...) Yes, programs are executed on the PC. (...) Nothing is stored on the device. (...) It resides on the PC. (...) AFAIK, you will need a newer version of ROBOLAB. The older versions (forget which) did not support ControlLab. If you're up to the (...) (20 years ago, 11-Apr-06, to lugnet.robotics, lugnet.technic, FTX)
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| | Re: Help with converting voltage on circuit board
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(...) Hi Danny, If we supply +12V to the top of the transistors, the drive circuit will most likely not be able to block those transistors completely (unless said drive circuit has an open collector structure with a pull up to the emitter of the (...) (20 years ago, 11-Apr-06, to lugnet.robotics, lugnet.technic)
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| | Re: Request for info on the Control Lab Interface.
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Just today I got one of these from an eBay auction, including the original cable in a sealed plastic bag. The ROBOLAB software wasn't included, however, so I imagine that I'll need a driver of some kind to use it. Does anyone have a driver? (This (...) (20 years ago, 11-Apr-06, to lugnet.robotics, lugnet.technic, FTX)
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| | TexLUG Austin robotic line-following contest 6/11/06
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Folks, The Austin chapter of the Texas Lego Users Group (TexLUG) is holding a robotic line following contest on June 11, 2006. In this line following contest, robots attempt to complete a specified race course by following a black line on a white (...) (20 years ago, 11-Apr-06, to lugnet.org.us.texlug, lugnet.loc.us.tx.aus, lugnet.loc.us.tx, lugnet.robotics)
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| | Re: Help with converting voltage on circuit board
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(...) Thanks Dustin, those will help. I am inclined to agree with Philippe Hurbaine on the regulator. It is also obvious that it can take AC from the full wave rectifier near the power port. In answer to Davids question about the 4v connector (using (...) (20 years ago, 8-Apr-06, to lugnet.robotics, lugnet.technic)
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| | Re: Help with converting voltage on circuit board
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(...) The BDX34 transistor + toroidal inductor above + LM339 comparator probably compose a switching regulator efficiently converting 13V input power to 4.5V for the outputs. Philo (20 years ago, 8-Apr-06, to lugnet.robotics, lugnet.technic)
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| | Re: Help with converting voltage on circuit board
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I've taken some more detailed pictures of the circuit and the reverse side. (URL) through the manual, connections 6 and 7 are for sensors and connections 0-5 are for output (4V as labled on the cover), but you only can turn the circuit on or off. (...) (20 years ago, 8-Apr-06, to lugnet.robotics, lugnet.technic)
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