Initially I am using an arduino uno to control two bipolar stepper motors and two relays.
Following an initial command to Alexa - "Alexa please demonstrate the action"
The 1st stepper motor rotates through 200mm of movement,
then 2nd stepper does the same,
then relay 1&2 are actuated,
The system will then run for 8 hours or until Alexa is told to return the system.
This is completed by completing the previous process in reverse.