When the alarm is tripped, LED’s flash and a buzzer is sounded to deter intruders from continuing. The alarm consisted of a PIR sensor which was used to detect movement in a room, it also had a touch switch which could be used to reset the alarm once is had been tripped. BestandsnaamOmvangLaatst gewijzigdFritzing SD Card Module.7z3.32 KB23.05.15 23:29:56Fritzing FC28 Soil Hygrometer Module Probe.7z4.32 KB06.09.15 13:39:26Fritzing DS18B20 1Wire Temperature Sensor.7z4.96 KB05.09. We decided that the most logical and useful application of our two sensors was an intruder alarm.
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