Contents contributed and discussions participated by Leroy Good - Robotics P2

NXT Race Car - YouTube - 5 views

www.youtube.com/watch

shared by Leroy Good on 07 Dec 11 - No Cached

NXT Race Car
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http://www.nxtprograms.com/NXT2/race_car/
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Leroy Good on 07 Dec 11

Racecar desighn for speed

<div class="cArrow"> </div><div class="cContentInner">Racecar desighn for speed</div>

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NXT Hand Generator Car - 5 views

www.nxtprograms.com/...steps.html

shared by Leroy Good on 07 Dec 11 - No Cached

Hand Generator Car
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Building Instructions
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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.
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...8 more annotations...
Use one of the longest wires to connect the two motors together
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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!
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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.   
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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.  
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Using the Generator Car
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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.
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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?
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- Leroy Good on 07 Dec 11
  
  DONT USE THIS CRANK LEVER it would be outside intervention
  
  <div class="cArrow"> </div><div class="cContentInner">DONT USE THIS CRANK LEVER it would be outside intervention</div>
  
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Leroy Good on 07 Dec 11

How to make a car JUST DONT USE THE CRANK PART AND MODIFY IT other then that This will help you desighn the car!!!

<div class="cArrow"> </div><div class="cContentInner">How to make a car JUST DONT USE THE CRANK PART AND MODIFY IT other then that This will help you desighn the car!!!</div>

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Lego 4 speed manual gearbox+instructions - YouTube - 4 views

www.youtube.com/watch

shared by Leroy Good on 06 Dec 11 - No Cached

Lego 4 speed manual gearbox+instructions
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A lego 4 speed manual gearbox. More at http://bit.ly/yoraish
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Leroy Good on 06 Dec 11

It explaines it all. how to build and it is possible to do this i think......

<div class="cArrow"> </div><div class="cContentInner">It explaines it all. how to build and it is possible to do this i think......</div>

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Lego mindstorm NXT 2gear car - YouTube - 5 views

www.youtube.com/watch

shared by Leroy Good on 06 Dec 11 - No Cached

Lego mindstorm NXT 2gear car
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when the botton is pushed
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with 2 gear
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...1 more annotation...
mechanism that makes the axle move
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Leroy Good on 06 Dec 11

The idea of how it might look?????

<div class="cArrow"> </div><div class="cContentInner">The idea of how it might look?????</div>

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Anyone have any cliff detetion ideas - 1 views

started by Leroy Good on 17 Oct 11 no follow-up yet

#1 Leroy Good on 17 Oct 11

any websites?

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Areabot « My Robot Log - 9 views

roachnet.wordpress.com/...areabot

shared by Leroy Good on 13 Oct 11 - No Cached

- Leroy Good on 13 Oct 11
  
  YEEEEEEEEEEESSSSSSSSSSSSSSSSSSS FINALLLY I FOUND THE CODE FOR THEM YES YES
  
  <div class="cArrow"> </div><div class="cContentInner">YEEEEEEEEEEESSSSSSSSSSSSSSSSSSS FINALLLY I FOUND THE CODE FOR THEM YES YES</div>
  
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FOLLOWING and US CORNERING behaviors were added to this robot with no additional sensors to demonstrate building on top of existing behaviors and adding more robust wall following and area coverage in multiple chambers separated by a small door.
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WALL FOLLOWING was introduced in this version of the robot utilizing the Lego Ultrasonic sensor to allow the robot a better chance of covering the area along a wall. bbAreaRover2.zip
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...3 more annotations...
bbAreaRover3.zip
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Basic bumper robot relying on CRUISE and BUMP ESCAPE to travel within the area. bbAreaRover.zip
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BUMPER
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Lego of Doom: October 2008 - 1 views

legoofdoom.blogspot.com/2008_10_01_archive.html

shared by Leroy Good on 13 Oct 11 - No Cached

Leroy Good on 13 Oct 11

HELP WITH ALOT OF STUFF WIHT NXT

<div class="cArrow"> </div><div class="cContentInner">HELP WITH ALOT OF STUFF WIHT NXT</div>

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Lego of Doom: Week 2.b - Wall following robot - 3 views

legoofdoom.blogspot.com/...week-2-linefollower.html

shared by Leroy Good on 13 Oct 11 - No Cached

- Leroy Good on 13 Oct 11
  
  Wll following help
  
  <div class="cArrow"> </div><div class="cContentInner">Wll following help</div>
  
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- Leroy Good on 13 Oct 11
  
  Read it it help and go here for wall follwing help
  
  <div class="cArrow"> </div><div class="cContentInner">Read it it help and go here for wall follwing help</div>
  
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Voice Activated Irobot Roomba - YouTube - 3 views

www.youtube.com/watch

shared by Leroy Good on 13 Oct 11 - No Cached

- Leroy Good on 13 Oct 11
  
  This roomba is voice actavated
  
  <div class="cArrow"> </div><div class="cContentInner">This roomba is voice actavated</div>
  
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Voice Activated Irobot Roomba
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Verbal Machines LTD takes the IRobot Roomba one step ahead and makes it voice activated. In this demo you can see the Roomba preforming a SPOT command ("Clean This"), then preforming the DOCK command ("Go Home") and then turning off (" Bye Bye"). All of this is done using only voice commands. The voice recognition circuitry is onboard the Roomba so no PC or any other equipment is needed. Look for our other videos
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Here is a video of how the vacume works its here if needed - 0 views

http:__www.youtube.com_watch?v=uCWeG3p5KJA

started by Leroy Good on 13 Oct 11 no follow-up yet

#1 Leroy Good on 13 Oct 11

Just tells how the vacume works

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HEY - 3 views

started by Leroy Good on 13 Oct 11 no follow-up yet

#1 Leroy Good on 13 Oct 11

good afternoon

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Research websites - 0 views

started by Leroy Good on 12 Oct 11 no follow-up yet

#1 Leroy Good on 12 Oct 11

www.ros.org/wiki/Robots/Roomba is for why use it for reasearch?
www.trenderresearch.com/video/irobot-roomba-avoiding is for how they avoid obsicals
en.wikipedia.org/wiki/IRobot for wiki
eecs.oregonstate.edu/node/875 for evaluating rumba

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Robotics - 1 views

www.iRobot.com en.wikipedia.org_wiki_Roomba

started by Leroy Good on 12 Oct 11 no follow-up yet

#1 Leroy Good on 12 Oct 11

Here are some sites for roomba...........

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