I just glanced at it but it didn’t appear to support pwm for grayscale engraving. If you only plan to cut with it then it’s fine but I’d definitely get the x-wossee driver instead if you want to do grayscale. It (x-wossee) also has lots of extra features like interlock inputs for safety enclosures and thermistor input to allow overheat cut off. I think you can tune it with a voltmeter without having to construct a test load as well.looks like a great driver.
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