old_contents: import MCP3202
  import wiringpi,time,os
  from time import strftime
  wiringpi.wiringPiSetup()
  wiringpi.pinMode(1,1)
  wiringpi.pinMode(21,1)
  
  def translate(value,leftMin,leftMax,rightMin,rightMax):
  	# Figure out how 'wide' each range is
  	leftSpan = leftMax - leftMin
  	rightSpan = rightMax - rightMin
  	# Convert the left range into a 0-1 range (float)
  	valueScaled = float(value - leftMin) / float(leftSpan)
  	# Convert the 0-1 range into a value in the right range.
  	return rightMin + (valueScaled * rightSpan)
  
  try:
  	while True:
  		os.system('clear')
  		value1= MCP3202.readADC(0)	# range data 0 - vref (volt)
  		map=translate(value1,0,4096,255,0)
  		print "Proximity Sensor"
  		print "Curent Distance : ",int(value1),int(map)
  		print ""
  		print "Press CTRL+C to exit"
  		if map <= 200:
  			wiringpi.digitalWrite(1,1)
  			wiringpi.digitalWrite(21,1)
  			time.sleep(map/1000)
  			# Write 0 (Low) / 1 (High) to Buzzer and LED
  			wiringpi.digitalWrite(1,0)
  			wiringpi.digitalWrite(21,0)
  			time.sleep(map/1000)
  		else:
  			# Write 1 (High) / 0 (Low) to Buzzer and Led
  			wiringpi.digitalWrite(1,1)
  			wiringpi.digitalWrite(21,1)
  			time.sleep(map/500)
  			# Write 0 (Low) / 1 (High) to Buzzer and LED
  			wiringpi.digitalWrite(1,0)
  			wiringpi.digitalWrite(21,0)
  			time.sleep(map/500)
  		
  except KeyboardInterrupt:
  	wiringpi.digitalWrite(1,0)
  	wiringpi.digitalWrite(21,0)
  	print "exit"
  
new_contents: import MCP3202
  import wiringpi, time, os
  wiringpi.wiringPiSetup()
  wiringpi.pinMode(1, 1)
  wiringpi.pinMode(21, 1)
  
  def translate(value, leftMin, leftMax, rightMin, rightMax):
  	# Figure out how 'wide' each range is
  	leftSpan = leftMax - leftMin
  	rightSpan = rightMax - rightMin
  	# Convert the left range into a 0 - 1 range (float)
  	valueScaled = float(value - leftMin) / float(leftSpan)
  	# Convert the 0 - 1 range into a value in the right range
  	return rightMin + (valueScaled * rightSpan)
  
  try:
  	while True:
  		os.system("clear")
  		value1 = MCP3202.readADC(0) # range data 0 - vref (volt)
  		map = translate(value1, 0, 4095, 255, 0)
  		print("Proximity Sensor")
  		print("Curent Distance : ", int(value1), int(map))
  		print("")
  		print("Press CTRL+C to exit")
  		
  		if map <= 200:
  			wiringpi.digitalWrite(1, 1)
  			wiringpi.digitalWrite(21, 1)
  			time.sleep(map / 1000)
  			# Write 0 (Low) / 1 (High) to Buzzer and LED
  			wiringpi.digitalWrite(1, 0)
  			wiringpi.digitalWrite(21, 0)
  			time.sleep(map / 1000)
  		else:
  			# Write 1 (High) / 0 (Low) to Buzzer and Led
  			wiringpi.digitalWrite(1, 1)
  			wiringpi.digitalWrite(21, 1)
  			time.sleep(map / 500)
  			# Write 0 (Low) / 1 (High) to Buzzer and LED
  			wiringpi.digitalWrite(1, 0)
  			wiringpi.digitalWrite(21, 0)
  			time.sleep(map / 500)
  		
  except KeyboardInterrupt:
  	wiringpi.pinMode(1, 1)
  	wiringpi.pinMode(21, 1)
  	wiringpi.digitalWrite(1, 0)
  	wiringpi.digitalWrite(21, 0)
  	print("exit")
  
subject: Update 03_Proximity_Indicator.py