This 3D printer kit is a professional sensor kit. It comes with various components or sensor module for your project. All these are packaged in a portable case, easy to carry and storage.

• Latest CNC Shield expansion board Version 3.0 for Arduino.
• EB UNO R3 Board, MCU ATmega328, USB interface ATmega16U2 with 1.5m USB Cable.
• 4pcs DRV8825 Stepper Motor Driver with heat sinks.
• 3pcs NEMA-17 Stepper Motor 84 oz.in 59 Ncm 47mm Body 1.8 degree with mounting Bracket Kit DIY CNC Robot with 3pcs Mounting Bracket & 12 pcs M3 Screws.
• 3pcs Endstop Mechanical Limit Switches for RAMPS 1.4 with 3Pin 70cm Cable. CNC Expansion Board GRBL 0.9 compatible
• Runs on 12-36V DC
• 4-Axis support: X, Y, Z
• It can drive 4 stepper motors, and each stepper motor only needs 2 IO ports
• That is to say, 6 IO ports can manage 3 stepper motors very well, which is very convenient to use.
• DRV8825 Stepper Motor Driver
• Applied for driving stepper motors up to 8.2V-45V 2.5A
• 4-layer PCB board (better heat dissipation)
• Mechanical Switch Endstop
• Length of Cable: 70 cm
• Red line  VCC (ramps of +)
• Black wire GND (ramps of -)
• Green Line SIGNAL (ramps in s)
• Package Contents
• 1x CNC Shield Board
• 1x Uno R3 Board
• 4x DRV8825 Stepper Motor Driver with Heat Sink
• 4x RAMPS Mechanical Switch Endshop
• 3x Nema 17 stepper motor 1.7 A (with bracket and screw)
• 3x Nema 17 Stepper Motor Mounting Bracket
• 20x 2.54mm Jumper Caps
• 1 x 1.5m USB cable