Hello, I was trying to connect my canon XSI to arduino using a p1 cable and an phototransistor 4N28.
The thing is that when I connect the p1 connector on my camera, and I turn it on, it autimatically take a photo and does nothing else.
Does any one know where can I get more information on how the extarnal shutter works??
thanks
p1 cable and an phototransistor 4N28.
Not sure what a P1 cable is but what are you doing with the base of the opto isolator (pin 6). If it is connected to pin 5 then it will behave like this.
p1 is the 2.5mm audio jack =)
but its taking pictures even if the cable is connectect to nothing, just one site on the camera
Sounds like you have a short in your cable.
yes, it worked
changed the cable and worked
thanks =)