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I moved my motors and controller from my EQ3 test bed to a Paramount GT1100s I came by a few years ago. The old controller was working, but the software is not playing nicely with newer programs.
The slew speed with the STM32 based controller is very slow - it can only prod the stepper drivers so fast. Nonetheless, the pointing was accurate and the guiding graph not too bad. I’ve ordered a MiniPCB V2 kit with a 400MHZ Teensy processor, some fancier stepper drivers, more powerful motors and some more hardware that put everything together. Total cost should be under $250.
DT
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