/grblHAL

STM32F401 GRBL Controller

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grblHAL

STM32F401 GRBL Controller over BlackPill board.

Schematic and layout are completed. Screw Terminal Connectors and optos are aligned. Added 4 TMC2208.

Inspired from Minimal-Black-Pill--STM32F4xx-BOB-for-grblHAL

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Our Kicad design below.

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