 | | Re: NXT Robot Swarm at BrickFest -- featuring Bluetooth
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(...) I played around with this a little bit, trying to confirm what I've been told. It is possible to have an NXT connect as either a master or a slave, but not both at the same time. I'm sure this is true. Here's what I did: I took three NXTs with (...) (18 years ago, 13-Aug-06, to lugnet.robotics.nxt)
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| | Re: NXT Robot Swarm at BrickFest -- featuring Bluetooth
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(...) As I was working on my ruby-nxt module, I managed to get the nxt to connect to my laptop as both a master and a slave. On my laptop (a MacBookPro) I created an incoming bluetooth serial port and an outgoing serial port on the DEV-B device (...) (18 years ago, 11-Aug-06, to lugnet.robotics.nxt)
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| | Re: NXT Robot Swarm at BrickFest -- featuring Bluetooth
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(...) Jordan, I think swarming would be very fun to explore, but, for me, there isn't enough time before BF. Here's something you could play around with before BF: (URL) by getting your robot to follow the line on the test pad. To answer your (...) (18 years ago, 11-Aug-06, to lugnet.robotics.nxt, FTX)
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| | Re: NXT Robot Swarm at BrickFest -- featuring Bluetooth
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It's good that people are interested! With the RCX couldn't you just have a robot broadcast a message to anything that could see the IR signal and was waiting for specific messages to arrive? Can a similar thing be done with BT? Would we be better (...) (18 years ago, 11-Aug-06, to lugnet.robotics.nxt, FTX)
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| | Re: Spike Building Guide Typo
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(...) The same three girls got confused by the programming instructions for Spike "Reactions". They missed the proper placement of the second switch block within the primary switch block within the loop block in frame 8. Confused? So was I. They saw (...) (18 years ago, 11-Aug-06, to lugnet.robotics.nxt)
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| | New Sensors and NI Week
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You may be interested in reading my recent "trip report" from attendance at National Instruments annual sales conference ("NI Week"). It's posted on (URL) highlights of this blog entry include: 1. A first look at the newly announced "Build a Block" (...) (18 years ago, 11-Aug-06, to lugnet.robotics.nxt)
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| | Re: NXT Robot Swarm at BrickFest -- featuring Bluetooth
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(...) The problem (I think; somebody want to prove me wrong?) is that the "master" NXT can send messages to at most three "slave" NXTs, but the "slaves" can not then act as BT masters to still more units. In other words, it seems very very easy to (...) (18 years ago, 11-Aug-06, to lugnet.robotics.nxt, FTX)
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| | Re: NXT Robot Swarm at BrickFest -- featuring Bluetooth
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The spec says that at most three other Bluetooth units may be connected to each NXT unit for any given program, but with proper setup one unit could act as a message-passing server for all the others in a swarm, or a simple broadcast relay protocol (...) (18 years ago, 11-Aug-06, to lugnet.robotics.nxt, FTX)
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| | Spike Building Guide Typo
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So how do we report a Building Instructions typo? In the Building Instructions for Spike's Tail, frame 8/30, an axle is indentified as a #4 on the parts area and as a #3 on the subset build area. Three girls in my current class pointed out the typo (...) (18 years ago, 10-Aug-06, to lugnet.robotics.nxt)
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| | Re: Grööving Röböt
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Hi Brian, (...) sure, but I get to make bad jokes about abba being fish in revenge ... (...) Provided it has a plugin for videos, which mine doesn't have (and that won't change). The problem with your JavaScript is that it obfuscates the link to (...) (18 years ago, 8-Aug-06, to lugnet.robotics.nxt)
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