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Sounds and Security Systems

Experiment #M9 from Coding with mBot: Self-Driving Vehicles


In this activity, students learn how to use the mBot Buzzer so they can mimic a car alarm and other warning sounds.

NOTE In this activity, students are presented with a set of scenarios to engage their creativity and challenge their coding skills; step-by-step directions are not included as the activity is intended for students who are familiar with programming mBot using the mBlock Blockly app.


  • Practice writing code for mBot to complete a task (car alarm, backup warning, emergency vehicle sounds).
  • Learn how to incorporate the mBot Buzzer into a program.
  • Troubleshoot coding issues when problems arise.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.

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This experiment is #M9 of Coding with mBot: Self-Driving Vehicles. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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