old_contents: from TSL2561 import TSL2561
  from MCP9808 import MCP9808
  import time
  
  def main():
      tsl = TSL2561(debug=0)
      mcp = MCP9808(debug=0)
      #tsl.set_gain(16)
      while True:
          full = tsl.read_full()
          ir = tsl.read_IR()
          lux = tsl.read_lux()
          print("%d,%d = %d lux" % (full, ir, lux))
          temp = mcp.read_temp()
          print("%0.2f degC" % temp)
          time.sleep(1)
  
  
  
  if __name__ == '__main__':
      main()
  
new_contents: from TSL2561 import TSL2561
  from MCP9808 import MCP9808
  import time
  import wiringpi2 as wiringpi
  
  
  def main():
      wiringpi.wiringPiSetupGpio()
      wiringpi.pinMode(18,2)  # enable PWM mode on pin 18
      tsl = TSL2561(debug=0)
      mcp = MCP9808(debug=0)
      #tsl.set_gain(16)
      while True:
          full = tsl.read_full()
          ir = tsl.read_IR()
          lux = tsl.read_lux()
          print("%d,%d = %d lux" % (full, ir, lux))
          temp = mcp.read_temp()
          print("%0.2f degC" % temp)
          wiringpi.pwmWrite(18, min(int(lux), 1024))
          time.sleep(1)
  
  
  if __name__ == '__main__':
      main()
  
subject: Add light PWM control to test code.