2pcs A4988 Driver Board Expansion Shield 4 Channel Control

Package Include 2 x expansion boards Goods Description cnc controller board.Are you looking for a professional, yet expansion board? Are you in search of a sturdy, trustworthy tool that can do multiple works at once? , look no further! Our professional expansion board must meet you needs.cnc module kit.It is one of the for you Features - Size: 7.00X5.00X1.20cm/2.75X1.97X0.47 inch. - Material: Plastic. - Color: Black. - firmware that turns into stepper signals.driver cnc shield expansion board -Product Info:3D printer driver board - A4988 Stepper Motor Driver Board is a board for A4988 micro stepping driver with translator and overcurrent protection.Expansion Board. - Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the can do up to 1/32 micro-stepping ).circuit board. - Over-temperature thermal shutdown, under-voltage , and crossover-current protection.cnc module kit. - 4- support (X, Y, Z , A-Can ,Y, do a full 4th with custom firmware using pin and ).driver cnc shield.