Thema: Raspberry booten von usb (oder LAN):
https://www.raspberrypi.org/blog/pi-3-booting-part-i-usb-mass-storage-boot/
https://www.raspberrypi.org/documentation/hardware/raspberrypi/bootmodes/msd.md
https://www.elektronik-kompendium.de/sites/raspberry-pi/2006071.htm
https://www.golem.de/news/raspberry-pi-3-booten-ueber-usb-oder-per-ethernet-1608-122546.html
Camera via HDMI verlängern:
https://www.tindie.com/products/freto/pi-camera-hdmi-cable-extension/#