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Ender 3 S1 Boards – F4 CPU firmware progress

More CPU swaps to make things harder for everyone Those of you who bought Ender 3 S1 printers or replacement boards may have noticed that some of them are coming with STM32F401 CPUs on them instead of the STM32F103 CPUs that they originally shipped with. The good news is that Creality did release the source […]