Update README.md

Author: electronPath

README.md

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 # DIY-IR-intervalometer-for-Canon-EOS-M3
 
+https://www.youtube.com/watch?v=52M5GOIqqW0
+
 This device send an IR signal for a Canon camera and can be used as a remote and intervalometer. Should work with Canon cameras that have an IR receiver.
 Or you can replace LED with a transistor and adapt the device and program to work with cameras that accept a stereo (3 pole) 2.5 mm jack plug.
 Also, you can adapt the program to work with Nikon cameras too! Here is a link to a tutorial from adafruit. (I don't have a Nikon camera to test it ...)