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Alexander Sarkis

NXT tachometer speed computer | My NXT projects - 1 views

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    NXT tachometer speed computer
Leroy Good

NXT Race Car - YouTube - 5 views

shared by Leroy Good on 07 Dec 11 - No Cached
  • NXT Race Car
  • http://www.nxtprograms.com/NXT2/race_car/
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    Racecar desighn for speed
Colin Fair

NXT Mini Sumo Bot - 2 views

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    yayyy a design!
  • ...1 more comment...
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    nice design my video uses the same thing
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    example of what a nxt sumobot could look like
Colin Fair

Lego Mindstorms NXT Maze Bot - YouTube - 0 views

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    an Nxt bot solves a maze very efficiently
Timothy McNamara

Line follower robot with one light sensor. Lego NXT. - YouTube - 3 views

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    uses one sensor like we have
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    Nxt follows line
Oscar Rivera

Robot SUMO--using LEGO NXT - Seyretmelik.com - 6 views

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    THERES NOT MUCH TO SEE BUT I LIKE THE IDEA OF THE HAMMER, IN THIS VIDEO. AND THEY ACTUALLY USE ONLY PIECES THAT COME FROM THE NXT TOOLKIT, AND NOT FROM OUTSIDE.
  • ...2 more comments...
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    very good find oscar
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    IM PROUD OF YOU OSCAR! WHAT AN AWESOME FIND!
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    good idea, using the extra wheels that come witht the kit to build a hammer
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    Nice job Oscar the video is solid
Thomas Heffernan

http://www.teamhassenplug.org/NXT/Gears/ - 5 views

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    shows different gear ratios with actual pictures of our exact parts in the NXT kit
Richard Sgalia

uploading file from nxt to labview - 4 views

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    How to upload files from the NXT to the Computer
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    nice find
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    Good website
Catherine Murphy

NXT Programming, Lesson 2 - 2 views

  • objects in front of the sensor
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    using nxt set sensors
Vivek Iyer

LEGO NXT Bluetooth remote control setup - YouTube - 2 views

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    Shows you how to connect the bluetooth to the nxt
Richard Sgalia

NXT Line Follower - 6 views

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    This is design for building a line following robot using the NXT that might come in handy later on
Catherine Murphy

Edge follow program NXT-G Free Lego NXT mindstorms video Tutorial edge line follow robot - 2 views

    • Catherine Murphy
       
      this is what were doing too witht he light sensor
Vivek Iyer

http://www.tetrixrobotics.com/gettingstartedguide/files/extensions/lineflow/Programming... - 3 views

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    This is an example code to give an idea to follow lines on the nxt.
Vivek Iyer

NXT® motor internals - 9 views

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    Background on the NXT motor..this could help finding an accurate gear ratio.
Timothy McNamara

Lego NXT mindstorms 7 Speed Gear Change Transmission - YouTube - 0 views

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    video about how a guys made a transmission with a nxt
Timothy McNamara

The NXT STEP - LEGO® MINDSTORMS® NXT Blog: Computing gear ratios - 8 views

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    gear ratios of NXT
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    computing gear ratios
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    good job
Leroy Good

NXT Hand Generator Car - 5 views

  • Hand Generator Car
  • Building Instructions
  • Make sure that the gray bushings on the outside of free-spinning axle are not pushed on too tightly, so that the axle can spin easily.
  • ...8 more annotations...
  • Use one of the longest wires to connect the two motors together
  • If you put gears on the crank, make sure you build it very strong (brace the gears on both sides), otherwise the gears will slip and grind, or you may break a peg or bend an axle.No matter what, crank smoothly and be gentle with your crank motor, you don't want to damage it!
  • Hold the crank motor firmly in one hand and crank smoothly with the other hand.  Important: Be smooth and gentle so that you don't stress the motor parts.  Notice that if you crank the other direction, the car will change direction too.  If you are left-handed, or if you want your car to go the other direction, you can switch the hand crank to the other side of the motor.   
  • Try using gears on the car (or possibly on the hand crank) to change the rotation speeds and see how this affects the speed of the car.  Here is an example of using gears to speed up the car, if you can figure out how to build it or make something similar.  
  • Using the Generator Car
  • Try some other designs for the car.  There are lots of possibilities. Does this generator trick give you any other ideas that you could use it for?  For example, if you had an NXT robot that used one motor powered by the NXT for something, you could power and control the speed and direction of something else by using a second motor powered by a generator from the third motor.
  • If you carefully note now much the car wheels turn for each rotation of the crank, you will notice that one full turn of the crank results in somewhat less than one full turn of wheel rotation.  This is because the electric generator is not 100% efficient.  There are some losses due to friction and other things.  For example, if the car wheels turned 270 degrees for each 360 degrees of rotation of the hand crank, then the generator would be 270/360 = 0.75 = 75% efficient.  Can you estimate the efficiency of your generator?
    • Leroy Good
       
      DONT USE THIS CRANK LEVER it would be outside intervention
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    How to make a car JUST DONT USE THE CRANK PART AND MODIFY IT other then that This will help you desighn the car!!!
Timothy McNamara

Lego NXT Follow Wall - YouTube - 1 views

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    nxt using the ultrasonic sensor video
Richard Sgalia

App Store - iNXT Remote - 1 views

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    Itunes app for Iphone to control the NXT, but the price of the app is a little pricy
Thomas Heffernan

LEGO.com Messageboards Post : control a nxt robot with your iphone/itouch - 0 views

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    might be a way to connect your iphone to the nxt
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