Alarms - a door alarm based on a pressure pad burglar alarm...

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Alarms :  Design Technology 4D
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Alarms are used for lots of different reasons. Can you think of  ways that alarms are used? Warn of fires Warn of Burglars Help us to know when someone  enters a shop. Warns when someone's breathing  has stopped
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Burglar alarms can have lots of different features. Can you think of  things that are used in a security system? A house security system might have some or all of these features:  a floodlight  house lights that come on after dark and go off in the morning, 
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Unformatted text preview: a door alarm based on a pressure pad burglar alarm with a loud buzzer and flashing lights Can you draw and label a house security system with a floodlight and house lights that come on after dark and go off in the morning, a door alarm and a burglar alarm with a loud buzzer and flashing lights Write a sequence of instructions to switch an alarm on and off....
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Alarms - a door alarm based on a pressure pad burglar alarm...

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