1. Echo locator

    Echo locator

    How could you build a device that uses sound to indicate the distance to the nearest object? For example, as an aid for a person with vision impairment. Other than using the Ultrasound Sensor, are there any other sensors that could be used to measure distance? Resources Echo...

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  2. Dancing robot

    Dancing robot

    Design, construct and program a dancing robot that has at least two moving parts and at most two motors. Set your robot’s dance to music. Resources Dancing Robot lesson plan – ROBOLAB + NXT-G (PDF)  

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  3. How to write efficient NXT-G programs

    How to write efficient NXT-G programs

    Writing Efficient NXT-G Programs (PDF) describes how to make your NXT-G programs as efficient as possible to create complex behaviours with a minimum of memory. These techniques are particularly relevant for competitions such as FIRST LEGO League (FLL) and RoboCup Junior, in which competitors often download several complex...

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  4. NXT-G programming icons

    NXT-G programming icons

    The NXT Worksheet toolkit (ZIP) contains a set of images of the programming blocks used in the LEGO MINDSTORMS NXT Software (NXT-G). These can be used to create worksheets and instructions for students. Note: These are images of generic blocks, so they do not have unique features such...

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  5. Sound display

    Sound display

    The idea of this challenge is to collect and display sound data from the NXT sound sensor in real time on the LCD display of the NXT. You could include the ability to pause data collection by bumping a button to “freeze” a particular screen of the data...

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  6. Third-party sensors: Code examples

    Third-party sensors: Code examples

    Here is a collection of code examples for third party sensors. Codatex Download Codatex code examples (ZIP) including: RFID read NXT-G – This code will use the Codatex RFID sensor to find the correct RFID tag. Once the RFID sensor finds the correct tag, it will make a sound...

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  7. Sample music: NXT-G

    Sample music: NXT-G

    Here is a collection of programs written in NXT-G that play a range of well known and some maybe not so well known tunes. Sample music NOTE: All files are zipped *.rbt files. See below for instructions. Bingo Buffalo Soldier Call On Me Hot Cross Buns Mary Had...

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