HiLetgo MACH3 Engraving Machine CNC 5 Axis Stepper Motor Driver Interface Board with Optocoupler Isolation Blue Board + USB Cable sold2024 avoid blocking of the filament

avoid blocking of the filament with rounded chamfer

Enhance the surface gloss of the cutting pieces

The power adapter comes in the box

One piece construction

Easy setup

HiLetgo MACH3 Engraving Machine CNC 5 Axis Stepper Motor Driver Interface Board with Optocoupler Isolation Blue Board + USB Cable sold2024 avoid blocking of the filamentHiLetgo MACH3 Engraving Machine CNC 5 Axis Stepper Motor Driver Interface Board with Optocoupler Isolation Blue Board + USB Cable Features: 1. Fully support MACH3 and other computer software controlled by parallel. 2. There is phase separation of USB power supply and external power supply to gurantee computer security. 3. The external wide voltage input is 12 24V with the anti reverse function. 4. All input signal pass the optical lotus isolation. Can