New Distance measurement file added

distance_new.py

+import RPi.GPIO as GPIO
+import time
+import signal
+import sys
+import pandas as pd
+from csv import writer
+# use Raspberry Pi board pin numbers
+GPIO.setmode(GPIO.BCM)
+from datetime import date
+
+
+
+today = date.today()
+
+# set GPIO Pins
+pinTrigger = 18
+pinEcho = 25
+t=1
+
+def close(signal, frame):
+	print("\nTurning off ultrasonic distance detection...\n")
+	GPIO.cleanup() 
+	sys.exit(0)
+
+signal.signal(signal.SIGINT, close)
+
+# set GPIO input and output channels
+GPIO.setup(pinTrigger, GPIO.OUT)
+GPIO.setup(pinEcho, GPIO.IN)
+        
+
+while t==1:
+    # set Trigger to HIGH
+    field_names = ['Date', 'Height']
+    GPIO.output(pinTrigger, True)
+        # set Trigger after 0.01ms to LOW
+    time.sleep(0.00001)
+    GPIO.output(pinTrigger, False)
+
+    startTime = time.time()
+    stopTime = time.time()
+
+        # save start time
+    while 0 == GPIO.input(pinEcho):
+        startTime = time.time()
+
+        # save time of arrival
+    while 1 == GPIO.input(pinEcho):
+        stopTime = time.time()
+
+        # time difference between start and arrival
+    TimeElapsed = stopTime - startTime
+        # multiply with the sonic speed (34300 cm/s)
+        # and divide by 2, because there and back
+    distance = (TimeElapsed * 34300) / 2
+        
+    distancef = 60.0-distance
+    print ("Distance: %.1f cm" % distancef)
+    time.sleep(1)
+    row_contents = [today,distancef]
+    with open('new.csv','a+',newline='') as write_obj:
+        csv_writer = writer(write_obj)
+        csv_writer.writerow(row_contents)
+    print('a')
+    t=t+1
+	
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