https://joancharmant.com/blog/sub-frame-accurate-synchronization-of-two-usb-cameras/
https://forums.ni.com/t5/Machine-Vision/Synchronized-capture-for-multiple-USB-cameras/td-p/1879647?profile.language=en
https://raspberrypi.stackexchange.com/questions/73588/usb-camera-synchronization-with-external-trigger
https://stackoverflow.com/questions/25161920/creating-synchronized-stereo-videos-using-webcams
https://discourse.vvvv.org/t/200-300-cameras-synchronized-triggering-and-access/13840
https://www.aliexpress.com/item/ELP-USB-Camera-Module-Micro-Mini-Industrial-USB-2-0-Synchronized-Dual-Lens-Stereo-Camera-Driverless/32866119916.html
https://raspberrypi.stackexchange.com/questions/58376/multiple-frame-synced-still-cameras