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Archive for the ‘Ideas’ Category

The Tentacle

June 2nd, 2013 18 comments

The Tentacle

An articulated tentacle controlled with 3 motors.

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NXT Multiple Units Simple Control

October 28th, 2012 13 comments

A method and a program for controlling up to 7 NXT units simultaneously using Bluetooth and a standard control pad.   Read more…

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Servo Gearbox

October 28th, 2012 41 comments

3-speed gearbox controlled remotely with the PF Servo motor.   Read more…

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NXT Virtual Subtractor

October 27th, 2012 19 comments

Simple software solution that allows to control two independent motors as if they were connected by a subtractor.   Read more…

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Compact Axle With a Differential Lock

May 31st, 2012 16 comments

Simple driven, non-steered axle assembly with a differential lock, based on studless pieces. Building instruction included.
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NXT Brick-to-Brick Remote

March 3rd, 2012 48 comments

My second LEGO Mindstorms NXT MOC. Features a Bluetooth remote that controls motors connected to another brick with a speed control and a proportional steering.   Read more…

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NXT Automated Gearbox

February 25th, 2012 31 comments

NXT Automated Gearbox

My first MOC using the LEGO Mindstorms NXT. Features a simple 4-speed gearbox that shifts automatically based on changes in the speed of the motor driving the gearbox.   Read more…

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Oldham coupling and Schmidt coupling

November 26th, 2011 17 comments

Two interesting mechanical solutions for transmission systems.   Read more…

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RC motor output selector

June 4th, 2011 19 comments

A mechanism that selects which of the RC motor’s two outputs is used, and can effectively work as a gearbox.
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2-speed Heavy Duty Linear Gearbox

February 27th, 2011 77 comments

Compact, simple gearbox designed for use in Truck Trial races and high-torque applications. Step-by-step instruction and a two drive motors variant included.

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