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Anything related to printer controllers not being Duet, RAMPS or Sanguinololu: microprocessors, motor and heater driver circuitry, gEDA/KiCAD issues, soldering tips, etc.
Re: STM32F1/F4 3d Printer board for Marlin - 8 years ago
I forgot to add my wish list! You have already just about exactly described what I would love to see, but I'll add a couple of thoughts: I would love to see the endstop inputs set up with diodes and available 12v as well as 5v power - so that they could be used for regular mechanical endstops (NC to ground), or for an inductive probe, or whatever else - along with pull up resistors (enabled in tby awake - Controllers
Re: STM32F1/F4 3d Printer board for Marlin - 8 years ago
Victor_pv, I like what you are doing with this design! I hope to see it continue and reach the level of success (measured by being cloned with general success like the RAMPS 1.4 board has been). A thought about the issue with Pololu style carriers and SPI pins for smart drivers - I have thought about something similar to the design you describe in a Dec. 22 post: Quote This is more or less whaby awake - Controllers