My LEGO web pages  

LEGO Racers 8183 Track Turbo RC
- simple design using a Power Functions 4.5V IR Receiver RC Car Base
- remote controlled by PF IR control or Hitechnic Mindstorms IR link





 

NXT tachometer speed computer
- using a RCX Mindstorms legacy rotation sensor or the built-in tachometer of a NXT motor
- can be used to measure LPE speed
- speed displayed in large digits (18 x 28 pixels)
- example display digits program in NXC include, so you can use code for other purposes
- writes data to a comma seperated log file (including NXC example program)



LEGO Pneumatic Engine (LPE) 3 cylinder inline
- a reconstruction of a LPEpower design
- tips how to modify switches and cylinders to improve the air flow






Self-Balancing NXT Segway NXTway-Gyro Bot with remote psp joystick controller
- Hitechnic Gyro sensor used for balance
- Mindsensors PSP-Nx Combo wireless controller ps2
- NXC program





Motorized pneumatic LEGO valve switches
- controlled by NXT Mindstorms
- four different motors: micro motor, PF motor, mini motor and NXT motor
- NXT-G programs





Off Roader truck, set 8297, in Yellow
- gear box used to operate the front-mounted winch 
- motorized suspension to raise and lower its ground clearance
- powered by PF motor
- building instructions downloadable at LEGO.com
 

NXT Bot with PSP joystick
- NXT bot with wireless AXIS 207W webcam.
- steering with sony playstation joystick and Mindsensors PSP-Nx-v3 NXT interface.






Search and find LEGO web sites with Google Maps
- including technic and pneumatic LEGO, RCX and NXT Mindstorms and GBC sites







Pneumatic LEGO compressor based on PF motors
- based on two PF (Power Function) motors and large pneumatic air pumps
- new style air pressure regulator






Pneumatic LEGO pressure regulators
- two regulators: old style and new style (PF pole reverser switch)
- tests with a NXT and a Mindsensors pressure sensor






GBC (great ball contraption) LEGO step marble module - second prototype
- balls move up stairs using moving steps






Pneumatic LEGO & laws of physics II
- calculations and measurements of force performed by LEGO pneumatic cylinders.
- compare theory with pratise.






LEGO NXT-G Mindsensors pressure block in mBar
- NXT-G block for Mindsensors pressure sensor
- improved accuracy 25 times!
- output value available as raw value and calculated in mBar.




LEGO NXT compass
- NXT-G program that display a compass needle on the NXT screen that is always pointing to the north pole.
- used Cosine/Sine NXT-G block by Claude Baumann.






Pneumatic LEGO & laws of physics I 
- calculations and measurements of pressure on pneumatic tanks, cylinders and pumps.
- compare theory with pratise.
- overview of calculated volumes op pneumatic parts.





Display NXT sensor graphic drawings
- NXT-G programs to draw graphic on your NXT screen.
- possible to change the scale and time interval while the program is running.
- setting are saved in a file on your NXT for the next session.





GBC (great ball contraption) LEGO step marble module - 1st prototype   
- Great Ball Contraption module
- based on Jurgen Kintscher ideas at kugelbahn.info.
- moving steps lets ball go up stairs




NXT cable connector/plug crimping tool
- make our own NXT cables.







Alternative hose for Pneumatic LEGO
- neoprene fuel line (tube)







GBC (great ball contraption) LEGO Jigsaw marble module
- Great Ball Contraption module
- ball move up
- based on Philippe E. Hurbain's Jigsaw




NXT bot based on Hailfire Droid Wheels
- applied a kind of NXT sensors
- including wireless web cam
- bumper all around for recording collisions




GBC (great ball contraption) LEGO ball pump marble module
- Great Ball Contraption module
- based on Philippe E. Hurbain's ball pump.
- propelled by a PF regular motor.





Pneumatic LEGO air compressor RC
- based on RC motor
- a pressure regulator by The Hempel Design Group.
- measuring the pressure with Mindsensors pressure sensor.
- graphic drawing on a NXT screen.




GBC (great ball contraption) LEGO Archimede Screw marble module
- Great Ball Contraption Module
- based on Philippe E. Hurbain's Archimede Screw
- balls are moving up with a worm pump





NXT Bot with wireless cam
- based on RobotC NXT bot.
- wireless AXIS 207W webcam.
- HiTechnic compass sensor.
- controlled by a Hitechnic Acceleration sensor (like a Wii control)
- wireless tooth communication.



Technic LEGO 4x4 Off Roader
- based on LEGO set # 8466.
- 4 wheel drive and suspension






Technic LEGO steering-gear example with beams
- technic Steering Arm with 4 Ball Joints.
- technic Steering CV Joints.
- technic Liftarm 2 x 6 Towball Coupling Half Slopes.





Technic LEGO steering-gear example
- big wheels.
- technic links L9.
- technic steering suspension and technic Shock Absorbers 6.5L.





Pneumatic LEGO Front-end Loader
- based on LEGO Set # 8464.







LEGO Tower
- more then 25.000 bricks.







Red LEGO tower
- over 20.000 bricks.