text: # [Basic EE Ex SW Project] Electronic Engineering Software Project 19-2(xix_ii)
  # 0.0.0va, 19.08.21. First tested, last update 19.08.23.
  # written by acoustikue(SukJoon Oh)
  #
  #    ____     __      __                 ____  __ 
  #   / __/_ __/ /____ / /__  ___  ___    / __ \/ / 
  #  _\ \/ // /  '_/ // / _ \/ _ \/ _ \  / /_/ / _ \
  # /___/\_,_/_/\_\\___/\___/\___/_//_/  \____/_//_/
  #                                                     
  # Visual Studio 2017 Professional Blank Python Project
  # test_gpio.py
  # 
  #
  # http://tieske.github.io/rpi-gpio/modules/GPIO.html
  # https://gpiozero.readthedocs.io/en/stable/
  # https://picamera.readthedocs.io/en/release-1.13/api_camera.html
  
  import os, sys
  
  # for import from parent directory
  sys.path.append( 
      os.path.dirname(
          os.path.abspath(os.path.dirname(__file__))) )
  
  # user 
  import config as cf
  from loggingd import *
  
  # Picamera
  # .resolution
  # .start_preview(alpha=int)
  # .rotation
  # .capture(addr/file.jpg, resize(x,y))
  
  # .annotate_background = Color('[color]')
  # etc
  
  #with PiCamera() as camera:
  #    # do something with the camera
  #    pass
  
  #import time
  #import picamera
  #with picamera.PiCamera() as camera:
  #    camera.start_preview()
  #    time.sleep(2)
  #    camera.capture_sequence([
  #        'image%02d.jpg' % i
  #        for i in range(100)
  #        ])
  #    camera.stop_preview()
  