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A small update.
I designed and built a PCB for dome and shutter control.
It has a motor controller and radio transceiver on it. Given the dome top has no electrical connection with the base, radio control was required for the top.
Ill have 2 of these with different software. The base controller will drive rotation and the top shutter operation. You don't need all this really, but you know, i did this because I could, and it was interesting to do. The transceivers act as wired RS232 devices so I can do anything I want, like monitor battery voltage, shutter microswitches and any problem that might ensue on the top remotely. Base rotation and shutter motors are fully accel/decel/speed controlled too (not your crude relay hammering), so less stress on motors/gearboxes. I made the PCB a bit universal so I can turn lights on or make an alarm ect, its got lots in/outputs.
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