Reyalp: JPG format, not sure of the speed of the card....best I have gotten is 5.5sec
Scattered: I think your plan is better, would love to see the schematic.
I will keep working on the timelapse, i have not figure out how to make burst mode work...it never works on any camera I have tried....even though it says, it takes the x# pics after the shutter is pressed....only stores one image.