Using the BBC micro:bit for Home Security

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Presentation transcript:

Using the BBC micro:bit for Home Security Further developing and improving the micro:bit security system

Design Brief Situation Homeowners worry about the potential for burglary. A good security system can keep their home safe from unwelcome intruders. Brief Using the BBC micro:bit, create a working door access security system. The system must use sensors to detect an intruder and sound an alarm when this happens. It must also be possible for the homeowner to reset the system as needed. Teacher may wish to recap the original brief before continuing with this activity.

Piezo sounder or buzzer Systems Diagram INPUT PROCESS OUTPUT Movement sensor BBC micro:bit Piezo sounder or buzzer Door opening Alarm sound Teacher may wish to recap from previous activity. Reset switch A systems or block diagram shows the layout of the system to be created. The blocks represent the physical parts of the system and the arrows represent signals. Push

Developing your Program Further You are now going to develop and improve your alarm system. Try to make at least two improvements to your system based on what would deter burglars the most. Think about any extra inputs or outputs that you could add. Improve the program as needed. Suggestions for what improvements students could make are contained in the teacher lesson plan document, but they should try to identify their own.