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11-04-2022 #1
The simple answer is no, but it depends on the size of the laser cutter. If you plan to use steppers which require more than 2A 36V then yes, you should go for different drivers, but if not then the A4988 (or similar) tiny drivers are excellent. On the other hand, you can still use the Arduino, the A4988 can easily be replaced with dedicated drivers, like the DQ542MA or something similar. You just need to wire STEP, DIR, EN and GND signals and of course, the power cables. You can run the Arduino from the ordinary power supply of 12 or 24V commonly used for these, and connect whatever power supply is needed for the steppers directly to the stepper drivers + / - connectors.
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