M3 Nano PWM offers that?
No. That’s actually an error in different laser types. That’s a GRBL laser control. Basically they are based on an old CNC language. The difference there is that M3 means turn the drill on but going clockwise and M4 means turn it on going counter-clockwise. However when the control set was adapted to GRBL laser mode typically $32 there was a different laser mode of having dynamic power so it could do better cornering.
The result is that M3 GRBL which would have been required for GRBL 0.8 and earlier is not needed for M4 GRBL start which does better power when the device stops and stops less often. Basically it’s a laser specific adjustment for the GRBL based lasers and has nothing to do with Lhystudios M3 Nano, which is an extension of the M2 which is an extension of the M1 laser and a suite of earlier laser control cards that I can’t manage to acquire even as a reverse engineer.
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If you mean strictly dynamic power like the GRBL M4 mode, there’s some connections between them but they are ultimately different. But, a lot of the M4 changes were trying to change things about the M3 GRBL mode that sucked for lasering and turns the GRBL laser cards into genuine and legit laser controllers.
See:
For specifics about these differences. An M3 Nano card (completely unrelated to GRBL) uses different commands and is built initially for lasers and does a lot of the M4 changes by default since it was never built to run a CNC machine.
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If CH341B chipset allows reprogramming so that the USB connection is recognized by Windows OS as USB2SER, then the laser machine itself would act as computer laser printer, as a toner for paper, the laser head acts as a toner, in this case, usage of any graphics software to print graphics on a working computer. material.
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The chip doesn’t dictate the hardware the hardware dictates that. The board is hooked up expecting a EPP (parallel port) connection. That the chip supports those modes doesn’t mean the chip on the M2/M3 Nano supports those modes.
The chip you’ve posted there is a Nano V.3.0 processor chip which does things but and is somewhat similar to the chip on the M2/M3 nano outside of the firmware etc. But, again, it’s not anything to do with the M3-Nano. It’s just a CH340 board. That runs a serial rather than parallel mode.
I’ve lost what the question was but outside of drilling into the m2 nano you can’t really do much to it hardware wise (if you expose the stepper wires on the board you can switch the chip there)
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The reprogramming of chip is burned in prior to adding but is also controlled with the active port which is the four holes next to the CPU but we never managed to access the firmware and reverse engineering such a thing is really hard to do. This chip doesn’t tend to dump the firmware as best as we’ve tried. And even if you could reflash the firmware it would only really let you fix a couple bugs (e.g. diagonal movements in raster mode will cause the decel to travel diagonal but the accel to travel orthogonal causing a loss of registration).
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Windows CH341W64.SYS driver and Windows CH341SER.SYS are different Windows drivers.
