Loading ...
Sorry, an error occurred while loading the content.

1690AW: [Raspberry_Pi_4-Ham_RADIO] framework for self-starting ham application images on Raspberry pi

Expand Messages
  • siegfried jackstien
    May 14, 2013
      > Ideas for framework of small computer board:
      >
      > Eliminate the SDcard completely and have on board flash memory, lets go
      > for a gigabyte....
      >
      > connections for programmer?
      >
      > open source firmware/OS if possible
      >
      > include a basic http interface, much like a consumer wifi router has...
      > with backup/load capability.
      >
      > do all configuration/loading over Ethernet.
      >
      > hit the reset button and be up and running....
      >
      > should have a few usb host slots... (sound fobs, memory stick)
      >
      > would be good to have it powered by 12-15vdc like our radios, makes for
      > easy reliable power source.
      >
      > expansion connector for modem board(s)
      >
      > some basic led indicators. (ability to disable lights to conserve power
      > use)
      >
      > some basic I/O would be handy:
      > - few channels of A/D input say 0 - 5vdc range
      > - maybe a few channels of D/A output, 0 - 5vdc?
      > - microphone input
      > - speaker output
      > - digital inputs, +5 vdc with optional internal pull-ups to make for easy
      > switch hookup.
      > - digital outputs, +5 vdc, with optional internal pull-ups, probably open
      > collector to ground
      > suitable for radio ptt or relay sinking.
      > - ???
      >
      > Any other suggestions ?

      Line in should be in stereo (for using with sdr hardware that gives i/q
      signals)

      Dg9bfc

      Sigi
    • Show all 17 messages in this topic