By adding this DCC stationary/accessory decoder to the Octopus, you can control your turnouts with servos and DCC at the lowest possible cost per turnout.  No frills -  just throws the turnouts from your throttle or JMRI.

Octocoder - Stationary DCC decoder Add-on for Octopus II/III

You can control your Octopus II or III with the Octocoder, a simple stationary DCC decoder.  The board provides connections os you can also connect fascia controllers and LEDs for local control. (Will not work with toggle switches however.) No CVs to program - just put on the address jumper and issue a turnout command from your throttle to set the address block.  Uses 8 consecutive DCC addresses.