⭐ CNC Shield V3 + Stepper Drivers + UNO Kit — Product Details

🔵 Product Overview

This CNC control kit is designed for GRBL‑based engraving machines, laser cutters, plotters, and DIY CNC projects.It includes the CNC Shield V3, high‑performance stepper motor drivers, optional UNO controller, and optional wired limit switches.Plug‑and‑play design makes it easy for beginners and powerful enough for advanced users.

🔧 Key Features

• GRBL Compatible (GRBL 0.8/0.9/1.1)
• Supports 3‑axis or 4‑axis (X / Y / Z / A or Dual‑Y)
• Plug‑in Stepper Drivers (A4988 / DRV8825 / TMC2209 / V2.0)
• Micro‑stepping Support (up to 1/32 or 1/256 depending on driver)
• External Stepper Motor Terminals (X / Y / Z / A)
• Wired Limit Switch Support (3‑pin S/–/+)
• Laser Module Support (PWM / Spindle)
• Easy Wiring, Clear Labels, Beginner‑friendly

🧩 Available Kits (SKU Options)

📦 Package Contents

CNC Shield V3

• 1× CNC Shield V3 Board
• Supports X/Y/Z/A
• Micro‑stepping jumpers included

Stepper Drivers

• A4988 / DRV8825 / TMC2209 / V2.0
• Heat sinks included
• Pre‑soldered pins

UNO R3 (Optional)

• UNO R3 Controller
• USB Cable

Limit Switches (Optional)

• 3× Mechanical Endstop Switches
• 3‑pin Wired (S / – / +)
• Plug‑and‑play with CNC Shield

📐 Technical Specifications

CNC Shield V3

• Input Voltage: 12–36V
• Stepper Ports: X / Y / Z / A
• Micro‑stepping: Full to 1/32 (A4988/8825), up to 1/256 (TMC2209)
• Laser/Spindle: PWM Output
• Limit Switch Ports: 6 (X/Y/Z min/max)

Drivers

🛠️ Application Scenarios

• CNC engraving machines
• Laser cutters
• 3‑axis / 4‑axis DIY CNC
• Plotters
• Robotics
• School / Maker projects

🧵 Wiring Guide (Simplified)

Stepper Motors

• X → X‑STEP / X‑DIR
• Y → Y‑STEP / Y‑DIR
• Z → Z‑STEP / Z‑DIR

Limit Switches (Wired Version)

• Connect to S / – / +
• Supports normally‑open (NO) and normally‑closed (NC)

Laser / Spindle

• PWM → TTL+
• GND → TTL–

🟢 Why Choose This Kit

• Easy for beginners
• Powerful for advanced users
• Supports 3‑axis and 4‑axis
• Silent driver options
• Plug‑and‑play wiring
• Compatible with most GRBL machines

❓ FAQ

Q: Does it support 4‑axis?

Yes. A‑axis can be used for dual‑Y or rotary axis.

Q: Are the limit switches wired?

Yes, the “3S” SKU includes 3× wired limit switches.

Q: Can it run GRBL 1.1?

Fully compatible.

Q: Can I use it with a laser module?

Yes, PWM output is supported.