| | Inventory Checklist for Classrooms
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The "inventory" picture on the NXT inside box cover nor the one in the pamphlet are not suitable for classroom use. Is there a lazy way of taking the peeron inventory with pictures (URL) and making an inventory sheet? (18 years ago, 4-Aug-06, to lugnet.robotics.nxt)
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| | CBS (Clicking Brick Syndrome) Patch availible
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For those of you that have come down with the crippling "Clicking Brick Syndrome", it seems that there may finally be a fix availible. Take a look at: (URL) you had this problem during a firmware update, please try this and post the results. (18 years ago, 3-Aug-06, to lugnet.robotics.nxt)
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| | RE: NXT Motors -- Speed vs Power Level
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(...) I've done the same measurements/plots and found same linearity when 'brake' on inactive PWM cycles is used. Not so good when 'float' is used. This leads to a conundrum that I simply can't explain. If you use 'inactive brake' mode the motors (...) (18 years ago, 3-Aug-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NXT Motors -- Speed vs Power Level
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I tried to plot power levels vs angular speed (in rad/s) and discovered goooood linearity ( remember how non-linear was RCX PWM)? The PID loop is a great idea, and I suppose that PID parameters should be tweakable. In SDK or HDK ( don't remember (...) (18 years ago, 3-Aug-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Ruby NXT Bluetooth Data Logger
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I wrote a simple ruby script to listen for messages sent via bluetooth: (URL) is comma delimited - timestamp, mailbox message was sent to, message like: Thu Aug 03 00:27:18 EDT 2006,1,"Chunky Robotic Bacon!" Thu Aug 03 00:28:20 EDT 2006,1,"true" Thu (...) (18 years ago, 3-Aug-06, to lugnet.robotics.nxt)
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