Thank you very much, that should work fine.
I also had a look at one of your utube videos too and motion detection may be of even more use as I wouldn't need to record hours of nothing happening.
Thanks again !
I have been using my raspberrypi & camera as a security camera monitoring front drive. For storage I use a large capacity USB memory stick. After several days I receive an error as the stick is full and I have to delete files to make room. So one question is - can i code for this? detect memory is n...