One wire dual direction LAN.  Takes 4 identical commands for the rec. to see it as a valid command.   Pulled up to 5V~. Pulled down =Mark This drawing is from http://controlyourcamera.blogspot.com/2011/02/arduino-powered-lanc-remote.html Use arduino to drive, Plain English: http://controlyourcamera.blogspot.com/2011/02/arduino-controlled-video-recording-over.html     Example code:   ExampleLanc tons of detail: http://www.boehmel.de/lanc.htm Vixia HFS200 2.5m from http://controlyourcamera.blogspot.com/2011/02/arduino-controlled-video-recording-over.html Nop = … Continue reading How do I come to terms with LANC?