min octopi.txt fil ser sådan ud: (jeg har ændret 2 linier i filen, markeret med rød)
### Configure which camera to use
#
# Available options are:
# - auto: tries first usb webcam, if that's not available tries raspi cam
# - usb: only tries usb webcam
# - raspi: only tries raspi cam
#
# Defaults to auto
#
camera="usb"
### Additional options to supply to MJPG Streamer for the USB camera
#
# See
https://github.com/foosel/OctoPrint/wik ... figuration
# for available options
#
# Defaults to a resolution of 640x480 px and a framerate of 10 fps
#
#camera_usb_options="-r 640x480 -f 10"
camera_usb_options="-yuv"
### Additional webcam devices known to cause problems with -f
#
# Apparently there a some devices out there that with the current
# mjpg_streamer release do not support the -f parameter (for specifying
# the capturing framerate) and will just refuse to output an image if it
# is supplied.
#
# The webcam daemon will detect those devices by their USB Vendor and Product
# ID and remove the -f parameter from the options provided to mjpg_streamer.
#
# By default, this is done for the following devices:
# Logitech C170 (046d:082b)
#
# Using the following option it is possible to add additional devices. If
# your webcam happens to show above symptoms, try determining your cam's
# vendor and product id via lsusb, activating the line below by removing # and
# adding it as shown examplatory.
#
# If this fixes your problem, please report it back so we can include the device
# out of the box.
#
#additional_brokenfps_usb_devices=("046d:082b" "aabb:ccdd")
### Additional options to supply to MJPG Streamer for the RasPi Cam
#
# See
https://github.com/foosel/OctoPrint/wik ... figuration
# for available options
#
# Defaults to 10fps
#
#camera_raspi_options="-fps 10"
### Configuration of camera HTTP output
#
# Usually you should NOT need to change this at all! Only touch if you
# know what you are doing and what the parameters mean.
#
# Below settings are used in the mjpg-streamer call like this:
#
# -o "output_http.so -w $camera_http_webroot $camera_http_options"
#
# Current working directory is the mjpg-streamer base directory.
#
#camera_http_webroot="./www-octopi"
#camera_http_options="-n"
Den er testet på 2 versioner af raspberry pi nemlig en version 2 og en version 3, samt 2 forskellige af de billige cameraer (købt med ca 1 års mellemrum)
Kameraerne er noname som ligner SeniorLemuren's
Mit octopi-image er det seneste man kan hente, nemlig 2017-06-21-octopi-jessie-lite-0.14.0.img som er hentet her:
http://octoprint.org/download/
Jeg foreslår at du endnu engang henter det seneste ogtopi image, kopierer til et sd-kort og laver de to ændringer i /boot/octopi.txt og fortæller hvad der sker.
/niels