pxt-ev3/docs/coding/reverse-beeper-2.md
Peli de Halleux 892a2d585f
Thresholds (#222)
* add threshold blocks

* updated strings

* added gap

* reorg color/gyro blocks

* fixing sound names

* adding stop block

* fixing exanmples
2018-01-09 12:46:48 -08:00

14 lines
361 B
Markdown

# Reverse Beeper Activity 2
```blocks
loops.forever(function () {
if (motors.largeB.speed() != 0 && sensors.ultrasonic4.distance() < 20) {
music.playTone(440, sensors.ultrasonic4.distance());
loops.pause(50)
}
})
motors.largeBC.setSpeed(-20);
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectNear);
motors.largeBC.stop();
```