knro wrote: The error message is that the camera is not getting detected to begin with. Try to install GPhoto2 and test the capture.
<code>
sudo apt-get -y install gphoto2
</code>

then
<code>
gphoto2 --debug --debug-logfile=gphoto.txt --summary
</code>

Does it detect it?

It comes up :

*** Error: No Camera found. ***

I do not have a camera connected, only a USB serial port with the opto-isolated serial to shutter release. I have attached the diagram of what I built. My Stellarmate Pi is detecting the USB port from what I can see. I ran ls /dev and I see the follwing:

Bus 001 Device 008: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC
Bus 001 Device 007: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC

My USB comm port has 2 separate ports and they both populate the list. Is there something in Gphoto2 I need to enable so it looks for the USB serial as a camera?

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