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Take and serve pics from a Canon EOS 450D via Raspberry Pi.

Raspberry Pi GPIO xx -> shutter release Raspberry Pi GPIO yy -> autofocus

Working notes

  • need to get simple UI sorted to take + serve the pics
  • confirm we can connect to the camera via USB while it's still taking pics

Python REPL session

[sean@mokpo ~]$ sudo pip install RPi.GPIO
[sean@mokpo ~]$ sudo python
Python 2.7.9 (default, Mar  1 2015, 13:48:22) 
[GCC 4.9.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import RPi.GPIO as GPIO
>>> GPIO.setmode(GPIO.BOARD)
>>> GPIO.setup(12, GPIO.OUT)
>>> import time
>>> GPIO.output(12, GPIO.HIGH)
>>> time.sleep(0.1)
>>> GPIO.output(12, GPIO.LOW)