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Hi Chris,
A great but ambitious project !
A couple of suggestions
To be all things to all people you'll definitely need to add an ASCOM compliant rotator as well as the planned focusser, that would ideally mean a second display line for rotational position !
You have only 8k to work with you say !
All 12v switchable output lines IP addressable.
For observatory control :
Usually achieved by Rain sensor, Day/Night light sensor, Cloud IR sensor, Anemometer and can be configured with external software, parameter settings and hardware. Optionally an external Ambient Temp sensor
Anemometer input - say for digital hall effect trannies and magnets
Anemometer and Rain sensor inputs linked via hardware and software interface to a dome closure relay output for observatory shut down - allowing you to set the values.
May as well have some optional GPIO output relays - to control lighting, motors and other devices
Maybe a flats lighting controller - either for LED panel or better yet an EL panel - so variable output value - not sure if there is an ASCOM standard for Flat lighting control.
Keep things as standard (to other existing devices) as possible so it can work with CCDAP, ACP etc
Variable power Dew controller output - not just ON, but variable with temp feedback. Once again not sure if there is an ASCOM standard for this
Good luck with it
I'll buy some
Cheers
Rally
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