The stm32 chip can increase the main frequency and can indeed increase the movement speed of the machine, but there is no increase in cutting speed and engraving speed! why?Ĭompared with atmel, the actual increase in cutting speed and engraving speed is not obvious. Regarding the 32-bit stm32 and atmel chips, atmel is the original grbl dedicated chip. They acknowledge the speed advantages of the 32-bit platforms:Ībout STM32 and atmel chips? (2020.10.31) Take a look at this excerpt from the NEJE wiki. I’ve seen a number of discussions on speed considerations for this. But for things like engraving and traversal moves this could very much be a limiting factor. This probably won’t be a limiting factor for most diode cutting operations. This is especially true for more computationally intensive operations like arc moves. You may be speaking theoretically but the limits of the 8-bit arduino platform has run its course in the 3D printing world and in the laser world as well largely because of performance considerations.
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