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Peli de Halleux
2017-10-26 23:58:34 -07:00
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# Intruder Detector
This program will activate an alarm when an object moves in front of the Ultrasonic Sensor.
TODO support for event when value changes
```blocks
input.ultrasonic4.onObjectNear(function () {
music.playSoundUntilDone(music.sounds(Sounds.PowerUp))
})
```