LEGO technical information
 

	Lego® 9V Technic Motors compared characteristics
	Power Functions motors power curves Curves showing mechanical power available from various motor combinations driven by Power Functions IR-receiver.
	Coupling motors Is it better to couple motors directly, or through an adder mechanism?
	Power Functions™ Presentation Overview of Power Functions range Description of working Comparison with older 9V mini-motors Power Functions RC protocol released by the LEGO Company
	LEGO® Power Functions Infrared Receivers Comparison of V1 and V2 IR-receivers.
	Power Functions™ Servomotor A detailed review of the Power Functions servomotor, showing how it behaves under various loads.
	LEGO® Train Motors comparison The 9V, RC and Power Functions train motors compete around a track under close scrutiny of an on-board NXT .
	MINDSTORMS™ SDK2.5 The LEGO Company does no longer offer technical support to advanced users on the historical MINDSTORMS range, specifically those using the SDK 2.5 (RCX™ and Scout™), and Spybotics™ range. Related tools and documentation were removed from MINDSTORMS website in 2008. You will find these tools here.
	Lego Rotation Sensor Internals Photos, schematics, detailed operation and low speed improvement.
	Lego® Technic Motor 43362 internals What's inside the new type of 9V mini-motor.
	Wheels, Tyres and Traction Traction performance of Lego®  wheels.
	RC Nitro Flash and RCX RC nitro flash internals, and an experiment of RCX control.

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