Function:
Connection: USB (USB-CH340)
Applicable software: GRBL control, GRBL controller, UniversalGcodeSender or
WeidiaoDashi, WeiDiaoGuanJian
Input Voltage: DC 12-36V
Central Chip: Atmel 328P
Stepper Motor Drive: A4988
Spindle/Laser Head Drive: MOSFET (Input Voltage 12-36V, 10A)
Spindle motor interface output voltage = power voltage of control panel
Spindle PMW Speed: Support
Supports stepping motor: 12V, maximum current 2A (42 or 57 both ok).
Laser Engraving: Support
Power supply interface: 5.5-2.1mm DC interface
In fact, this board contains motherboard and driver
Package: 1 set motherboard+screwdriver