Well, this is still a work in progress, but the current specs I have are. These are in MoSCoW order:
M: Must Have
S: Should Have
W: Wanna have, nice to have

  • Try to get as close to the original as possbible
  • Must haves:
    • Development as open as possible!
    • Have a USB-C connector
    • Have a battery
    • GPS chip (duh!)
    • ReatTime Clock with battery backup
    • Easy to tinker with, expand on.
  • Should have
    • Dunno yet.
  • Nice to have:
    • Be able to display battery level (depletion, loading data?)
    • Speaker not mandatory, audio plug is nice to have, maybe bluetoots audio?
    • RJ-45 connector so maybe someday connect to rebuild AGC unit?
  • Software specs
    • Clock mode
    • Tic-Tac-Toe program