CNC Shield V3 Engraving Machine

New CNC Shield V3 Engraving Machine Driver Expansion Board

V3 Description:
1.Using A4988 module
2.Five different step mode
3.Adjust the maximum current output, so as to obtain a higher rate of step.
4.Open source firmware that runs on that turns G-code commands into stepper signals
5.Can drive four A4988 stepper motor

This expansion board as a driver expansion board, can be used for engraving machines, 3D printers.
It is a total of four slots, can drive four A4988 stepper motor. Each road stepper motors only need two IO ports. In other words, six IO ports can be well managed three stepper motors. Very convenient to use.
module IO port correspondence introduction.

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