I am trying to fire a camera via a relay but I need to put a small delay (<0.5s) into the circuit.
There are three input pins to the camera. A common ground and two positives.
1. activates the Auto Focus (AF) and Meter
2. triggers the shutter release.
Originally I thought that closing both circuits at once would be sufficient but have since discovered that there is not really a potential between GND and 2 until GND and 1 is closed. There needs to be a delay between closing GND and 1 and then closing GND and 2 to fire the shutter otherwise it doesn't work.
I thought of putting in a RC circuit and SS relay to cause this delay but need some guidance on this. See attached images.
My questions are -
- would this be the correct / most simple way to introduce a delay?
- is the second relay necessary as they are really designed for heavy current and this is very small?
There are three input pins to the camera. A common ground and two positives.
1. activates the Auto Focus (AF) and Meter
2. triggers the shutter release.
Originally I thought that closing both circuits at once would be sufficient but have since discovered that there is not really a potential between GND and 2 until GND and 1 is closed. There needs to be a delay between closing GND and 1 and then closing GND and 2 to fire the shutter otherwise it doesn't work.
I thought of putting in a RC circuit and SS relay to cause this delay but need some guidance on this. See attached images.
My questions are -
- would this be the correct / most simple way to introduce a delay?
- is the second relay necessary as they are really designed for heavy current and this is very small?