US$ 21.95
which can provide precise grinding and sharpen chain saws quickly and effectively
It can control up to 5 stepper motors with 1/16 stepping precision and interface
body fillers
Porous Design: The slot can be easily adjusted for tension
V3 Extension Board, CNC Shield Expansion Board with 4pcs A4988 Stepper Motor Driver Heat Sink for Engraver 3D Printer DC 12V to 36V auspowers_batchone which can provide precise grindingV3 Extension Board, CNC Shield Expansion Board with 4pcs A4988 Stepper Motor Driver Heat Sink for Engraver 3D Printer DC 12V to 36V Package Includes: 1 x V3 Extension Board4 x Drivers4 x Heat Sinks Read more CNC Expansion Board: Version: V3. 0Size: 68 x 53 x 18mm 2. 67 x 2. 08 x 0. 7"Voltage: DC 12V to 36V (only DRV8825 driver can handle up to 36V, so please consider voltage for power supply)The V3. 0 expansion board can be used as a drive expansion