Fun Projects for your LEGO MINDSTORMS NXT!

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Echo Telegraph
Building: Intermediate
Program: Advanced

LEGO Mindstorms NXT Echo Telegraph

Tap out any rhythm on this telegraph, and the NXT will answer you by playing back your exact rhythm with the NXT's speaker, as if a distant friend on the other end of the line was answering and repeating you.  The program uses the File Access block to store the rhythm timing data in a file and then reads it back out.
Video (YouTube) Video

Building Instructions



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