Find the hidden letter


In this activity, use a robot equipped with a light sensor to determine the hidden letter message (under a table or in another room). The letter will be determined using light sensor collected data on 3 passes over of the letter.      Resources Find the Hidden Letter lesson plan – ROBOLAB (PDF)  

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How to write efficient NXT-G programs

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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 programs onto a single NXT brick. The […]

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