树莓派的超声波传感器

1 图纸

图

2 接线

线路

3.程序1

from gpiozero import DistanceSensor
from time import sleep
from pythonosc import osc_message_builder
from pythonosc import udp_client 

sensor = DistanceSensor(echo = 1,trigger =16)
sender = udp_client.SimpleUDPClient('127.0.0.1',4559)

while True:
  pitch = round(sensor.distance *100 +30)
print(pitch)
sender.send_message('/play_this',pitch)
sleep(0.1)

代码2：

import RPi.GPIO as GPIO
import time 
from pythonosc import osc_message_builder 
from pythonosc import udp_client

TRIG = 16
ECHO = 1
GPIO.setmode(GPIO.BCM)
GPIO.setup(TRIG,GPIO.OUT)
GPIO.setup(ECHO,GPIO.IN)

GPIO.output(TRIG,True)
time.sleep(0.00001)
GPIO.output(TRIG,False)
sender = udp_client.SimpleUDPClient('127.0.0.1',4559)
try:
  while GPIO.input(ECHO)==0:
  pass
start_time = time.time()
while GPIO.input(ECHO)==1:
  pass
end_time =time.time()
distance = 17150*time
pitch = round(distance*100+30)
sender.send_message('/play_this',pitch)

except Exception:
  print('error')
finally:
  GPIO.cleanup()