2017-10-27 08:58:34 +02:00
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# Intruder Detector
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This program will activate an alarm when an object moves in front of the Ultrasonic Sensor.
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```blocks
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2018-01-19 01:43:16 +01:00
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sensors.ultrasonic4.onEvent(UltrasonicSensorEvent.ObjectNear, function () {
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music.playSoundEffectUntilDone(sounds.informationActivate)
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2017-10-27 08:58:34 +02:00
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})
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```
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