LEGO MindStorms NXT Bedienungsanleitung

NXT User Guide

WELCOME TO LEGO®MINDSTORMS®EDUCATION

LEGO®MINDSTORMS®Education is the next generation in

educational robotics, enabling students to discover Science,

Technology, Engineering and Mathematics in a fun, engaging,

hands-on way.

By combining the power of the LEGO building system with

the LEGO MINDSTORMS Education technology, teams of

students can design, build, program, and test robots. Working

together on guided and open-ended engineering projects,

the team members develop creativity and problem-solving

skills along with other important mathematics and science

knowledge. Students also become more skilled in

communication, organization and research, which helps

prepare them for future success in higher levels of schooling and in the

workplace.

The next technology now.

LEGO MINDSTORMS Education features an advanced 32-bit computer-

controlled NXT brick, Interactive Servo Motors, Sound, Ultrasonic and other

sensors, Bluetooth communication and multiple downloading capabilities. The

icon-based LEGO MINDSTORMS Education NXT Software is built on the

LabVIEW™ software from National Instruments, an industry standard with

applications in many engineering and research ﬁelds.

Curriculum. Inspiration. Support.

The LEGO MINDSTORMS Education website www.MINDSTORMSeducation.com

is your main resource for curriculum, training, product information and support.

Our partners provide a strong network of information, technical advice, and

teacher support as well. Carnegie Mellon Robotics Academy is our partner for

developing curriculum materials and activities. Tufts University Center for

Engineering Education Outreach (CEEO) is our partner for product

development, workshops and conferences. In addition, local support is

provided by our trade partners. If you are interested in a competitive challenge,

check our website to ﬁnd out more about the FIRST LEGO LEAGUE.

Start here.

This User Guide provides an overview of the components and features in the

LEGO MINDSTORMS Education NXT materials.

Enjoy!

Introduction

Build. Program. Test. ................................... 4

Technology

Overview ......................................................... 5

Installing Batteries In The NXT................ 7

Connecting The NXT Technology ........... 9

About The NXT Brick................................... 11

NXT Main Menu ............................................. 14

Touch Sensor................................................. 23

Sound Sensor................................................ 25

Light Sensor................................................... 27

Ultrasonic Sensor......................................... 29

Interactive Servo Motor ............................. 31

Lamps .............................................................. 33

Using Bluetooth............................................. 34

Software

Installing The Software ..............................

Your First Program....................................... 46

Software User Interface............................. 48

The Robot Educator .................................... 50

Programming Palette.................................. 53

The Conﬁguration Panel ............................ 57

The Controller................................................ 57

Parts List For Base Set #9797...................... 58

Useful Information

Download To Multiple NXTs ...................... 61

Troubleshooting ............................................ 63

Table of Contents

Introduction

Build. Program. Test.

Build

Build your robot. Speciﬁc building

instructions for a robot are provided

with this User Guide. There are also

building instructions for the same robot

in the NXT Building Guide found in

the Base Set #9797 and in the Robot

Educator, which is part of the LEGO®

MINDSTORMS®Education NXT Software.

Program

Program your robot using the LEGO

MINDSTORMS Education NXT Software.

Many examples are included in the

Robot Educator part of the software.

Download your program to the NXT brick

with the wireless Bluetooth connection

or the USB cable.

Test

Run your program. What happens? Did

your robot perform as you expect? If not,

adjust your robot or your program and

try again!

Start Here

If you prefer to start by building and programming using the

NXT brick display without a computer, go to the NXT Building

Guide.

Introduction

Attaching the sensors

Sensors can be plugged into any input port

numbered 1-4. Any wires except the converter wire

can be used to connect the sensors.

The default settings used for the test programs

on the NXT and for many sample programs in the

Robot Educator are as follows:

Port 1: Touch Sensor

Port 2: Sound Sensor

Port 3: Light Sensor

Port 4: Ultrasonic Sensor

Technology

NXT Brick

An intelligent, computer-controlled LEGO® brick, the NXT is

the brain of the LEGO MINDSTORMS®Education robot.

Touch Sensors

Enable the robot to respond to

obstacles in the environment.

Overview

Light Sensor

Enables the robot to respond to

variations in light level and color.

Sound Sensor

Enables the robot to respond to

sound levels.

Ultrasonic Sensor

Enables the robot to measure

distance to an object and to

respond to movement.

Rechargeable battery

Provides power to the NXT so the robot can move

and respond.

Attaching the Motors and Lamps

Motors or Lamps can be plugged into any output

port A, B, or C.

The default settings used for the test programs

on the NXT and for many sample programs in the

Robot Educator are as follows:

Port A: Motor or a Lamp for an extra function

Port B: Motor for movement; for a two-Motor

chassis, often this is the left side.

Port C: Motor for movement; for a two-Motor robot,

often this is the right side.

Overview

Interactive Servo Motors

Ensure that robots move smoothly and precisely.

Technology

Lamps &

Converter Cables

Add lamps and then program ﬂashing

lights, or use them to activate the light

sensor, or just for fun! Three Lamps

and three Converter cables are

included in the Base Set.

1 2 Rechargeable battery

The rechargeable battery ﬁts into the bottom of the

NXT. To install the rechargeable battery, move the

plastic tab on the side with your thumb to open the

back.

The NXT comes with an extra cover that is used when

6 AA batteries are used. (See details on the next

page.)

Holding the rechargeable battery, press in the plastic

tab and snap the battery into place.

Installing Batteries In The NXT

To recharge the battery, attach one end of the power adapter

cord (sold separately) into the charge plug just below the NXT

input ports. Attach the other end of the power adapter cord

into the wall socket. The battery may also be charged when

not inserted into the NXT.

• The green indicator light turns on when the power adapter

is connected to the NXT.

• The red light turns on when the battery is recharging. The

red light turns off when the battery is fully recharged.

• Fully recharging the battery requires approximately four

hours.

• The NXT can be used when the battery is recharging;

however, recharging then requires more time.

• This Li-Ion Polymer battery can be recharged up to 500

times.

When you ﬁrst use the rechargeable battery in the NXT itself,

attach the transformer and let the battery and NXT charge

together for approximately 20 minutes before starting. You

may also need to do this if the rechargeable battery was

completely depleted before recharging.

Note: You will need to charge the battery ﬁrst before

using it.

Technology

Other battery types

The NXT also operates using six AA/LR6 batteries.

• Alkaline batteries are recommended.

• Rechargeable AA/LR6-type batteries can be used;

however, the power performance of the NXT may be

reduced.

Batteries low

When the battery power is low, this icon ﬂashes on and

off in the NXT display.

Installing Batteries In The NXT

The NXT will Sleep to conserve power. To change the time or

set Sleep to Never, go to Settings/Sleep/Never. You can also

change the Settings to wait before going to Sleep from 2, 5,

10, 30, or 60 minutes.

Technology

Important!

• Never mix different types of batteries in the NXT.

• Always remove batteries prior to long-term

storage.

• Promptly remove depleted batteries from the NXT.

• Only recharge batteries under adult supervision.

• Never attempt to recharge non-rechargeable

batteries.

CB A

1234

Connecting Motors

To connect a Motor to the NXT, plug one end of a black wire

to the Motor. Plug the other end into one of the output ports

(A, B, C).

Connecting sensors

To connect a Sensor to the NXT, plug one end of a black wire

into the Sensor. Plug the other end into one of the input ports

(1, 2, 3, 4).

Downloading and uploading

The USB port and wireless Bluetooth connection are used for downloading

and uploading data between your computer and the NXT.

If your computer has Bluetooth, you can download programs to the NXT

without using the USB cable.

If your computer does not have Bluetooth, you must use the USB cable or

buy a Bluetooth dongle for your computer. (Read more about the wireless

Bluetooth connection on pages 34-43).

Connecting the NXT Technology

Technology

Note that ALL of the black

6-wire cables can be used in

both input and output ports,

sensors and motors. Work

sensors MUST be attached

to the input ports (1-4) and

motors MUST be attached to

the output ports (A-C).

Turn on the NXT.

Connect the PC and the NXT with the USB cable.

Connecting the NXT to a Macintosh with a USB cable

Make sure the LEGO MINDSTORMS Education NXT Software is installed before connecting your

NXT to your Macintosh. (See the installation instructions on page 45.)

Turn on your NXT.

Connect the USB cable to the NXT.

Connect the USB cable to the Macintosh and you’re ready to go.

Make sure the LEGO

MINDSTORMS Education NXT

Software is installed on your

computer before connecting

the NXT to the computer.

See page 44 for installation

instructions.

Connecting the NXT Technology

When the PC identiﬁes the NXT it will automatically ﬁnalize

the installation of the LEGO®MINDSTORMS®Education NXT

Software.

Technology

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