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 1:
  		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
  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 1:
  		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"
  
subject: Update 03_Proximity_Indicator.py