Three ways to connect your cameras for remote control:
Connect your cameras by USB directly to your Windows computer (24 cameras or less)
Scale up to 250 cameras using Windows computers and usb-hubs (24 cameras per computer)
Scale up to 250 cameras using Raspberry Pi computers (4 cameras per Pi) - preferred solution
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Historically, all DSLR multi-camera systems were made of two systems:
A trigger system (either Arduino micro controllers, custom made trigger boxes, or any analog solution)
A software to control the cameras by usb.
Having two separate systems means complicated troubleshooting, hard to resolve triggering issues and tons of guess work. A typical problem is this: one camera doesn’t send it’s file to the main computer: is it because it didn’t trigger? Or is it a usb problem? Or else what?
A single software that does the trigger, settings, download, liveview means a fully streamline solution with a much clearer view of the overall status of your rig, no matter the number of nods and cameras. Tom Brandon (Spliceboys) and I have a discussion about that at 15:26 in this video:
Connect your cameras by usb directly to your Windows computer (24 cameras or less)
Scale up to 250 cameras using Windows computers and usb-hubs (24 cameras per computer)
Scale up to 250 cameras using Raspberry Pi computers (4 cameras per Pi) - preferred solution