 | | ReMix of LEGO NXT Starter Robot
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Hi All, I've just posted an entry on my blog (URL) on a ReMix project using the LEGO NXT Starter Robot kit. I'm creating a PoC (Proof Of Concept) bot that can measure distances using a "STRAIT LINE" eRolling Tape. To see the PoC "Measurebot!" device (...) (18 years ago, 8-Jan-07, to lugnet.robotics.nxt)
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| | Re: ReMix of LEGO NXT Starter Robot
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(...) I am curious if you have tried measuring distance travelled simply by reading back the NXT motor encoder values? You would need to calibrate your 'bot so that you know the ratio of encoder units to centimeters or inches travelled (which would (...) (18 years ago, 15-Jan-07, to lugnet.robotics.nxt, FTX)
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| | Re: ReMix of LEGO NXT Starter Robot
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Hi Chris, (...) that is not quite right, there is an ATMEGA48 microcontroller insider the NXT Brick which generates the waveforms. It is connected to the main processor via an I2C-style interface. Besides that it also controls power to the NXT, (...) (18 years ago, 15-Jan-07, to lugnet.robotics.nxt)
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| | Re: ReMix of LEGO NXT Starter Robot
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(...) Ah, thanks for the correction. I've only studied portions of the hardware docs so far, mostly regarding the sensor ports. I realized after I posted that I hadn't completely checked my facts. (I hate when that happens!) So does this mean that (...) (18 years ago, 15-Jan-07, to lugnet.robotics.nxt)
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| | Re: ReMix of LEGO NXT Starter Robot
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(...) Yes... (...) Unfortunately no, the digital motor port signals are input only (they are buffered by a Schmitt trigger). Philo (18 years ago, 16-Jan-07, to lugnet.robotics.nxt)
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