KeeYees Professional 3D Printer CNC Kit with Tutorial for Arduino, CNC Shield V3 w/Jumpers + 4Pcs RAMPS 1.4 Mechanical Switch Endstop & DRV8825 GRBL Stepper Motor Driver Heat Sink
<b>CNC Expansion Board:</b><br>-GRBL 0.9 compatible<br>-Runs on 12-36V DC <br>-4-Axis support: X, Y, Z<br>-It can drive 4 stepper motors, and each stepper motor only needs 2 IO ports. <br>That is to say, 6 IO ports can manage 3 stepper motors very well, <br>which is very convenient to use.<br><br><b>DRV8825 Stepper Motor Driver: </b><br>-Applied for driving stepper motors up to 8.2V-45V 2.5A<br>-4-layer PCB board (better heat dissipation)<br>-6 different step resolutions:<br> full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step<br><br><b>Mechanical Switch Endstop:</b><br>-Length of Cable: 70 cm<br>-Red line --- VCC (ramps of +) <br>-Black wire --- GND (ramps of -) <br>-Green Line --- SIGNAL (ramps in s) <br><br><b>Package Contents: </b><br>1 x CNC Shield Board <br>1 x KeeYees Board <br>4 x DRV8825 Stepper Motor Driver with Heat Sink<br>4 x RAMPS Mechanical Switch Endshop <br>20 x 2.54mm Black Jumper Caps <br>1 x 1.5m USB cable