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Lego Mindstorms NXT Multi-Sensors
posted June 30 2010 22:10.01

vgolden5 made a robot with two objectives in mind: Voice Controlled and looking for exit.
The second objective is common but the first is more interesting since there are not much voice controlled robots out there.
Even though the understandable commands are only four they are enough to have fun with your robot.
Both programs are available for download and you can even visit vgolden5's site if you are familiar with Chilian language,

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Tags: electronic project   robot   diy   rc servo   lego   microcontroller   

Meet the nBot
posted June 29 2010 17:12.57

shynet and his friend made the nBot as a school project. The nBot is a moving robot that shoots a laser - the laser hits the opponent team laser detecting sensor (which is a small system attached to an Light Dependent Resistor - LDR). On each hit the opponent robot sends a hit signal to the main server, then the main server calculates the remain...

[Link: byshynet]
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Tags: crazy hack   electronic project   robot   diy   laser   rc servo   computer peripheral hacks   cell phone hacks   remote control (RC)   microcontroller   accelerometer   

Picaxxo Beamed Canvas
posted June 28 2010 20:31.03

A few days ago we presented Gareth's work, the Picaxxo, a painting robot utilising a Wii-Mote tracking system for picking up an infrared triangle mounted to the back of a picaxe based robot.
Now an update version comes and provides more interactivity to the proje...

[Link: letsmakerobots]
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Tags: crazy hack   robot   diy   Wii   microcontroller   rc servo   

Tetris-Bot (TI DSP + Lego NXT robot)
posted June 25 2010 19:38.22

BranislavKisacanin made a Tetris-playing robot. What is the meaning or gain in making that you will wonder, nothing except the pleasure of making it as all other crazy or not projects i will answer. Despite the purpose is still a well made project that consists of a camera, a TI DM6437 DSP board (running his own embedded vision and artificial intelligence algorithms), and a three-finger NXT robotic hand (that presses the keys on the computer keyboard).
Tetris-Bot is not an NXT-only system, because the Brick has a limited input bandwidth. That's the reason of using a TI DM6437 DSP board to analyze the images coming from the camera, recognize the new shape, and find the best place and orientation for it. The instructions are communicated to the NXT robotic hand via LEDs on the board.
It's crazy, meaningless and we like it!

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Tags: crazy hack   electronic project   robot   microcontroller   lego   

Lego Mindstorms NXT - RPM Motor Power Level
posted June 23 2010 19:24.42

Palagerini made a small program that will allow your robot to figure out when it is stuck and take the appropriate action without the use of Touch and Ultrasonic Sensors.
If you want simplicity in your build and knowing always the real power level of your motors then that is for you, after all simple is better.

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Tags: electronic project   robot   diy   lego   

posted June 22 2010 21:30.51

Gareth from Let's make robots made a painting robot utilising a Wii-Mote tracking system for picking up an infrared triangle mounted to the back of a picaxe based robot.
After you start you prefered paint application the robot takes over and creativity begins. An original idea well executed, nothing more to say than let the colours flow.
Complete project log can be found here and of course much more robots at the site.

[Via: Let's make robots]    [Link: Let's make robots]
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Tags: crazy hack   robot   diy   rc servo   Wii   microcontroller   

Lego NXT controlled with Android smartphone via Bluetooth
posted June 21 2010 20:26.30

linuxgeocacher is demonstrating an application of NXTControl for remote controlling a Lego Mindstorms NXT robot via an Android powered mobile phone. The difference is that you no longer need an intermediate PC, you can directly control the NXT via Bluetooth. All you need to have is an Android powered smartphone with at least Android version 2.1. There is also an Action-Button for doing other things than moving around.
Instructions and source code can be found here.

[Link: ghoelzl]
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Tags: electronic project   robot   diy   rc servo   cell phone hacks   remote control (RC)   accelerometer   lego   

Lego Mindstorms NXT: X-2 First stair Step up 3 steps
posted June 18 2010 16:26.30

222Doc, co-author of Building Robots with LEGO Mindstorms NXT, after managing his Lego robot to make his first stair step now raises the challenge by steping up 3 steps!
The mechanics of weight balancing is brilliant and even though is a bit slow the robot manages to step up with confidence.
The maker claims is the first Lego biped to achieve this and we have no reason not to believe him. You can search more info here and here.
More Lego NXT projects can be found here.

[Link: nxtasy]
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Tags: robot   rc servo   mechanical   lego   

fire fighting robot using LEGO NXT group 4
posted June 16 2010 19:28.34

This video shows results form the final project work in the mobile robotics course MMT200 at Dept of Design Sciences, Lund University. The project was performed by Magnus Brange and John Ã…kesson. The robot (NXT operating under leJOS JVM) is controlled by a game controller connected to a computer which in turn communicates with NXT via Blue Tooth.
Don't expect water, this robot uses air to stop the fire but still manages it.

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Tags: electronic project   robot   rc servo   remote control (RC)   lego   research   wireless   

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