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LEGO Gear Ratio Calculator

LEGO Gear Ratio Calculator
Related:  Lego Mindstorms NXT Tutorial This tutorial for LEGO Mindstorms NXT is divided in two sections. The “Essentials” are things every NXT programmer should know. Some of these movies have exercises directly under them. The “Advanced” section is for reference purposes. These lessons assume you have a basic robot with two drive motors, a touch sensor and a light sensor. If you need to run this tutorial at a location with poor internet service, you can download a special copy here. This tutorial was designed, and maintained by Dale Yocum, Engineering Program Director at Catlin Gabel School. LEGO®, the LEGO logo, Mindstorms and the Mindstorms logo are trademarks of the LEGO Group, which did not create and does not sponsor or endorse this tutorial.

Home Page Welcome all! Ever wanted to build fantastic LEGO models like the pros? Have you searched high and low for information on how to build with LEGO only to find there isn't much out there? If you are new to building with LEGO, or just want to be better at it, then this is the site! Or are you are looking for someone to create a fantastic Custom LEGO model? Mariann Asanuma is a former Master Model Designer for LEGOLAND California. Model Building Secrets is your gateway into learning the tips tricks of LEGO building used by Master Model Designers all over the world. Through her series of "Building Secrets from the Masters" books you can learn all the techniques that the professional Master Model Designers use.

Free Lego NXT MindStorms NXT-G Robotics Challenges Tutorials At the request of Tasmanian teachers Miss Clare Neilson and recently retired Mrs. Juanita Airey, activities using Lego's NXT 1 MindStorms Robots have been developed for use in School-based 2-hour sessions. Some, but not all, will work with the new NXT 2 kit (click here for more information). The tutorials are presented as a series of Challenges, which are gradually being converted for Web use. Challenges with an "M" after the challenge number include mentor notes. Challenge numbers greater than 100 use components that are not in the NXT 1.0 Retail or Educational Lego kits, but are available for separate purchase. First Challenge (NXT 1) - Building Robot 1.1 "TuftsBot" - click here. First Challenge (NXT 2) - Building Robot 1.2 "MiniBot" - click here. First Challenge (Apple videos) - Building Robot 1.2 "MiniBot" - click here. Challenge 2M - Teaching your Robot (NXT 1 & NXT 2) - click here. Challenge 2M (Apple videos) - Teaching your Robot (NXT 1 & NXT 2) - click here.

Hacking the LEGO NXT If you are a millionaire and able to buy a LEGO Mindstorms NXT, you may find kind of difficult to hack it or create homemade sensors. I believe you already noticed the particular jack that comes with the NXT. It looks like a telephone jack, but the latch is located in one side, making difficult to connect any other cable. That is not a big problem; filling off the latch from a 6-wires telephone connector (RJ-12) may do the job. Once I was able to connect a telephone cable to the NXT, I started to test the signals. Holding the connector as the picture shows. White wire - Used with the black wire, this pin provides power to the motor. Modelbuildingsecrets's Weblog Learning to use My Blocks This tutorial explains how to use the "My Block" feature of the NXT-G programming system by working through several examples. What is a My Block? Why Use My Blocks? Making your First My Block Creating a My Block Viewing and Editing the Contents of a My Block Inserting a My Block into a Program Creating My Blocks with Input Parameters What are Input Parameters? Variables, Wiring, and Editing within a My Block Using Variables to Send Data to a My Block Defining Variables in a My Block Rewriting the Contents of a My Block Sharing Wires in a Tabbed Switch Using My Block Variables from the Main Program Making a Modified Copy of a My Block Copying a My Block Changing the Icon for a My Block Organizing and Sharing My Blocks Copying, Renaming, and Deleting My Blocks Broken Blocks Sharing Programs with Pack and Go Making a Sub-Menu on the Custom Palette What is a My Block? Figure 1: My Blocks are blue in color, and they appear in the Custom palette in NXT-G. Why Use My Blocks? Making your First My Block

The Unofficial LEGO MINDSTORMS NXT 2.0 Inventor's Guide - David J. Perdue, Laurens Valk - Google Books LEGO-Log UrbiForge UrbiOpenSourceContestProjects/2-high 1 - Overview For French speakers, the entire project is described in French here. NXT Tower Defense is a system that lets you build, develop and play with your own robot. This robot is designed with Lego Mindstorm NXT for hardware and uses URBI, Qt and Opencv for the software. This robot is a launching projectile that can detect, track and shoot objects like Picoo-z or AR Drone. This project comes with a version ready to use for testing and a developer version to custom the system. Note : This project has been tested under virtualized Windows 7, urbi sdk 2.1 (for compatibility with Mindstorm NXT), opencv 2.0 and Qt 4.7.1. Video Photos Good to know There is a page dedicated to questions on the forum Become a fan of NXT Tower Defense on Facebook :-) 2 - Ready to Use This pack contains all the elements needed to build and use your robot very quickly. Begin by downloading the package and follow the installation instructions below: Lego Digital Designer 3 - Gameplay 4 - Source Code