system sources, remote and local

Intel NUC
   https://www.intel.com/content/.../mini-pcs.html

   NUC6iSYK
      http://Intel.../documents/boardsandkits/NUC6i5SYB_NUC6i3SYB_TechProdSpec.pdf

Orange Pi
   http://www.orangepi.org/downloadresources/

   Zero
      https://www.armbian.com/orange-pi-zero/

Friendly Arm
    http://wiki.friendlyarm.com/wiki/index.php/Main_Page

   Nano Pi Neo
       http://wiki.friendlyarm.com/wiki/index.php/NanoPi_NEO
   Nano Pi Neo2
      http://wiki.friendlyarm.com/wiki/index.php/NanoPi_NEO2
   Nano Pi Neo Dock
      http://wiki.friendlyarm.com/wiki/index.php/1-bay_NAS_Dock_v1.2_for_NanoPi_NEO/NEO2
   NanoPC T4
      http://wiki.friendlyarm.com/wiki/index.php/NanoPC-T4 

Solidrun

   Cubox i4pro
      https://www.solid-run.com/downloads/

Raspberry Pi

   Zero
   Zero W
   Raspberrypi 2
   Raspberrypi 3+
      https://www.raspberrypi.org/downloads/raspbian/

Hardkernel
   https://wiki.odroid.com/

   Odroid HC2
      https://wiki.odroid.com/odroid-xu4/os_images/third_party
      https://www.hardkernel.com/main/products/prdt_info.php?g_code=G151505170472 

Index of other blogs

Collections Blog   http://jimsoldtoys.blogspot.com/

Jim Restaurants     https://jim-restaurants.blogspot.com

Technical Notes    http://jim-st.blogspot.com/

Recipes:                http://jim-shirley.blogspot.com/

Restaurants:          http://jimsocfood.blogspot.com/

Radxa board:        http://my-radxa-rock.blogspot.com/


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other interesting blogs.

Aviation Archives   https://aviationarchives.blogspot.com/