If you are interested in something simple that can scale with you as your automation gets more sophisticated (macros, triggers, etc.), you can use a program called Dilard to automate 100% of what the "G" series D-ILA projectors can do via RS232. On/off, switching inputs or sources, toggling 16:9, etc. are just a few of the many commands.
The projector automation routines are completely free and do not require a license of any kind to use.
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