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Enkerli/distance_pulse.py

Created May 21, 2016 03:11
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Simple #RasPi script to change a passive buzzer’s frequency based on an ultrasound distance sensor.
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distance_pulse.py
from gpiozero import *
from time import sleep
sensor = DistanceSensor(24, 23)
n = 0
bz = PWMOutputDevice(18, initial_value=0.4)
bz.pulse(fade_in_time=0.3)
while True:
print('Distance to nearest object is', sensor.distance, 'm')
bz.frequency = (sensor.distance*100)+200
sleep(0.5)
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