Specifications The maximum pulse frequency of the control board: 30 kHz Communication interface: USB (USB-CH340) Power supply voltage: 12V Spindle motor interface: supports a maximum of 400W DC spindle motor Includes fan interface and TTL signal output interface (for controlling the laser module with TTL module) Laser interface: 12V, suitable for 12V laser head What's in the Package 1 × GRBL-V3 Controller 1 × USB Cable 1 × CD
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