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From the Mindsensors page: This sensor measures pressures produced by LEGO Pneumatics systems and lot more. The pressure range of this sensor is from 0 to 58 PSI. The sensor measures absolute pressure as well as relative pressure. (You can set reference pressure, and measure change in pressure relative to that reference). This is a...

Note that this was originally posted to the NXT step, but I repost it here in the tutorial section for easy reference. If you’re a programmer like me, your programs won’t work perfectly when you run them the first time. Sometimes it’s a simple mistake on the programmer’s part, but sometimes the problem is not...

Featuring the Rotacaster Omniwheels for NXT, this is the the Omnistrider, based on the Strider in my book. Contrary to most omniwheeled NXT robots, this one has an unconventional wheel orientation. The result is that it can’t turn by itself, but that’s not really a problem since it can go in any direction.

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Dexter Industries have released a new Compass sensor for the NXT. Here’s what they say about it: “The Dexter Industries dCompass is a compass sensor for LEGO MINDSTORMS NXT. This compact sensor detects magnetic fields for navigation. Using a magnetic sensor, the sensor is able to measure the earth’s magnetic field and returns a magnetic...

LEGO MINDSTORMS NXT sets come in three different versions, which can be confusing at times. What are the differences, what do the sets have in common? How about NXT versions and NXT books? This article should answer these questions. If you don’t want to read the whole article, here’s the most important stuff — Later...

Creating and filling up a new website is no mean feat! You may have seen some Lorum Ipsum texts on some of the NXT project pages. That’s intended. I wanted to set up all of those archive pages with illustrations first. The text will come later. Most of the images speak for themselves anyway. Just...

This robotic crane was my first robot arm that was actually quite functional. It could move anywhere on its treads, and the arm had several degrees of freedom, including a wrist that turns. Orginally, I designed this with the RCX (that’s why there are no NXT motors on board), which controlled Power Function receivers with...

This chimney climber should be considered as the first ‘robotic’ climber in the series. Contrary to the older two climbers, this robot uses sensors to tell the robot about its environment. A Mindsensors.com acceleration sensor measures the robot’s tilt on one axis. When unbalanced, the wheel speeds can be adjusted to regain balance. An Ultrasonic...