Using one ultrasonic sensor, two touch sensors, and the NXT buttons, build and program a guitar with an NXT brick as its base element. Use the touch sensors to raise and lower the sound one octave each, use the buttons on the NXT to control the emission of sounds, and let the ultrasonic sensor contr...

In this activity, set up an NXT “voting booth” to gather data using touch sensors. The presses will be recorded and plotted into a graph.