OctoPrint

Using a Raspberry Pi3 running Rasbian 8

Setup OctoPrint

Add your user to the dialout group;

$ usermod -a -G dialout drew

Build

$ git clone https://github.com/foosel/OctoPrint.git
$ cd OctoPrint
$ virtualenv venv
$ ./venv/bin/python setup.py install

Run

$ cd ~/OctoPrint
$ venv/local/bin/octoprint 

Browse

• http://192.168.1.121:5000/

Add plugins

• Settings > Plugin-in Manager
  • SnapStream (0.2.3)
  • CuraEngine
  • DisplayProgress
  • Cost estimator
  • DisplayZ
  • EEPROM Marlin Editor
  • Navbar Temp
  • Filament Sensor
  • Print History
  • Printer Statistics
  • StatusLine

Tune Extruder and Heatbed PID

 M105 # get extruder temp
M303 # tunes to 150C
M303 S180 # tunes to 180C
M303 S180 C10 # tunes to 180 for 10 times
M303 E-1 S65 C10 # Use to tune the bed at 70C
Recv:  Ku: 57.76 Tu: 38.50
Recv:  Classic PID
Recv:  Kp: 35.02
Recv:  Ki: 1.83
Recv:  Kd: 167.82
Recv:  Classic PID
Recv:  Kp: 34.02
Recv:  Ki: 1.70
Recv:  Kd: 169.89


Enter that information into your Start Gcode in Slic3r using the following format, with your values substituted appropriately:
M301 P12.33 I0.51 D74.50 # default
M301 P35.02 I1.83 D167.82 # tuned

or for the heated bed: 
M304 P234.88 I42.79 D322.28 #default
M304 P114.54 I4.76 D689.66 #tuned
Enter the following command to save the PID settings to EEPROM.

M500

• https://www.lulzbot.com/fine-tune-your-marlin-pid-settings

Setup mjpg-streamer

Add your user to the video group;

$ usermod -a -G video drew

Build

$ git clone https://github.com/jacksonliam/mjpg-streamer.git
$ cd mjpg-streamer-experimental
$ make

Run

$ cd ~/mjpg-streamer/mjpg-streamer-experimental/
$  ./mjpg_streamer -i "./input_uvc.so -r 1280x720" -o "./output_http.so"
$ uvcdynctrl -s "Focus, Auto" 1

• Reference
  • http://www.sphaero.org/blog:2012:0727_control_your_webcam_from_the_command_line

Browse

• http://192.168.1.121:8080/?action=stream
• http://127.0.0.1:8080/?action=snapshot