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Colored-Ball sorting NXT bot
posted December 2 2010 7:50.15 by Giorgos Lazaridis

A couple of days ago, R J McNamara posted a flexi-bot controlled with NXT. After upgrading the software he managed to make it sort random-colored...

[Link: R J McNamara]
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Tags: robot   rc servo   mechanical   lego   

Building a FlexiBot with Mindstorms NXT
posted November 29 2010 13:29.18 by Giorgos Lazaridis

Based on the ABB IRB 360 FlexPicker, McNamara wanted to build his version of a flex-picking robot. At the beginning he had some failed attempts due to engineer/mechanical...

[Link: R J McNamara]
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Tags: robot   lego   rc servo   mechanical   

Biped Lego NXT goes to the Olympics
posted November 27 2010 8:53.02 by Giorgos Lazaridis

I don't really remember having seen any other NXT biped practicing in gymnastic exercises... 222Doc (known for his NXT stair-climbing biped) presented his X2-6 in a somersault...

[Link: 222Doc]
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Tags: electronic project   robot   lego   

Lego NXT controls high voltage loads
posted November 15 2010 10:28.52 by Giorgos Lazaridis

R J McNamara wanted to control a high voltage load such as a 220 volts lamp with his NXT. He began making his own controller, but...

[Link: rjmcnamara]
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Tags: electronic project   diy   lego   

Lego NXT weightlifting champion
posted November 10 2010 5:57.22 by Giorgos Lazaridis

222Doc uploaded a video with a weightlifting NXT bot, to demonstrate the capabilities. The vehicle is nearly 800 grams, it managed to lift and transfer...

[Link: 222Doc]
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Tags: electronic project   robot   rc servo   lego   

Upgradede biped Lego Mindstorms climbs stairs
posted November 9 2010 5:53.03 by Giorgos Lazaridis

A couple of months ago, 222Doc presented the first Lego Mindstorms biped robot that climbs stairs, which he called X-2. Now...

[Link: 222Doc]
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Tags: electronic project   robot   lego   

Lego Green Lantern Power Battery
posted September 10 2010 19:06.58

JustJ0n made a replica of Green Lantern power battery from Lego. But what is a lantern without a ring to power it up?
Inside the lantern is an Arduino responsible for activating the lights when the RFID ring is near it.
A nice mixture of fantasy comics and modern technology coming together.
For complete info and more photos you can check here.

[Link: justjon]
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Tags: crazy hack   electronic project   diy   microcontroller   arduino   rfid   lego   

Autonomous Quad Rotacaster Omni-Bot
posted September 8 2010 16:30.14

About a month ago we presented R J McNamara's attempt to build an Omni-wheeled Bot, what that robot was lacking was the Rotacaster Omni-wheels cause the Rotacaster wheels did not existed in Lego Technics format.
Now this is changed and a new robot R J made, is equiped with 4 sets of the new wheels allowing it to move and manuever in any direction smoothly that you forget the 4x Ultrasonic Sensors to aid in navigation.
For more info here is the place to look.

[Link: rjmcnamara]
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Tags: electronic project   robot   diy   rc servo   microcontroller   lego   quadrotor   

Lego Mindstorms NXT Quadra-ped X-4 "Sloth"
posted September 2 2010 8:19.55

222Doc after building the first Lego biped to climb steps now decided to try something harder.
He builded a Quadra-ped from Lego parts that it is able to climb ladders both in vertical and horizontal orientation.
With a total of 12 motors, 8 for articulations and 4 for gripers its sure alot of work to syncronize and program everything and as the maker says its the hardest thing he's done so far.
The result worth the pain though since "Sloth" seems to climb with ease the test ladder and carry its weight around.
Another first for 222Doc since we're unaware of something similar.

[Link: 222Doc]
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Tags: robot   rc servo   lego   mechanical   

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