Kevin Ross replied to the topic 'Relays for shutter release' in the forum. 3 years ago

I can't find any place in the code that would change the port to /dev/ttyUSB0 in case of failure. So that one is a mystery to me.

If you want to recompile the indi_gphoto_ccd driver, you can change the commands that it sends to match the serial relay board that you are using. If you want to try that, in file gphoto_driver.cpp, at line 649 is the command to close the shutter, and line 1223 is the command to open the shutter.

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