Mindstorms NXT - Advice, comparisons, news, reviews and prices.

Lego Mindstorms NXT Specification and Features

Mindstorms NXT
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Our rating: 55
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5Lego Mindstorms NXT review by BIG_RED_1

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(MobileMag) rating: 4.5
(amazon) rating: 4.5
(PcMag) rating: 4.5
(target) rating: 5.0

For owners only

Pros

Robot creators will be able to build and program a working robot in just 30 minutes
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Cons

Cables are unique, you have to buy them from Lego
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Technical data

Age: 10+
Bluetooth: true
Brand: Mindstorms
Competition events: FIRST LEGO League
Controller: NXT brick is a 32-bit LEGO microprocessor
Ease of use: Build and program a working robot in just 30 minutes
Manufacturer: Lego
Programmable: yes
Programming: Programmed using a PC or a Mac by using LabVIEW. Additional kits: hardware developer kit and bluetooth developer kit. You can also use Java or NXT_Python.
Release date: August 2006
Remote control: Bluetooth technology
Sensors: Ultrasonic sensor, Sound sensor, Light sensor (detects different colors and light intensity), Touch sensor
Servos: 3 servo motors feature inbuilt rotation sensors to align speed for precise control
Bluetooth: technology that makes possible to transmit signals over short distances between telephones, computers and other devices, like household appliances, without the use of wires.
Controller: it is a control circuit for a servo. In the simples case it is a remote control unit that has one or more joysticks, knobs or levers. Direct digital control (i.e. not remote control) of a servo is relatively simple if a stable, accurate timebase is available. A microprocessor or microcontroller with a quartz crystal driven clock will do fine.
Sensor: a device that responds to a stimulus, such as heat, light, or pressure, and generates a signal that can be measured or interpreted.
Servo (servo motor): is any kind of electric motor whose speed or position is controlled by a closed loop feedback circuit. An example is the drive motor in a floppy disk drive, which must maintain an exact rotational speed. The speed of the motor is measured by a tachometer that is physically coupled to the output shaft of the motor. The tachometer produces a voltage that is proportional to the speed. This voltage is compared to a reference point and the difference, or error, is used to adjust the speed of the motor, either up or down.

Features

  • All-new NXT intelligent brick.
  • 3 interactive servo motors feature inbuilt rotation sensors to align speed for precise control.
  • Ultrasonic sensor makes robots see by responding to movement.
  • Sound sensor enables robots to react to sound commands, including sound pattern and tone recognition.
  • Light sensor detects different colors and light intensity.
  • Touch sensor reacts to touch or release and allows robots to feel.
  • 519 hand-selected, stylized elements from the LEGO TECHNIC building system.
  • Opportunities for physical programming of robots and interaction with robots during programming.
  • 18 building challenges and step-by-step instructions.
  • Digital wire interface allows for third-party developments.
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