NXT Multiple Units Simple Control
A method and a program for controlling up to 7 NXT units simultaneously using Bluetooth and a standard control pad. Read more…
Servo Gearbox
3-speed gearbox controlled remotely with the PF Servo motor. Read more…
NXT Virtual Subtractor
Simple software solution that allows to control two independent motors as if they were connected by a subtractor. Read more…
Compact Axle With a Differential Lock
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
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…
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…
Oldham coupling and Schmidt coupling
Two interesting mechanical solutions for transmission systems. Read more…
RC motor output selector
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
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.