New 3D Printer parts A4988 Driver CNC Shield Expansion Board for Arduino V3 Engraver 3D Printer
Power: Medium Power
Model Number:A4988 Driver CNC Shield Expansion Board
is customized: Yes
Usage: Light-emitting Diode
Special Function: Common Point Contact Diode
Frequency: High Frequency
Construction: Schottky Diode
Install Style: Plug-in
Function: Power Triode
100% brand new and high quality
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.
UNO for Arduino module IO port correspondence introduction.
IO corresponding figure above
UNO for Arduino expansion board
8 – EN ( stepper motor driver enable , active low )
7 – Z.DIR (Z -axis direction control )
6 – Y.DIR (Y -axis direction control )
5 – X.DIR (X -axis direction control )
4 – Z.STEP (Z -axis stepper control )
3 – Y.STEP (Y -axis stepper control )
2 – X.STEP (X -axis stepper control )
1 PCS CNC Shield Expansion Board