Expansion Board V3.0 For CNC Engravers And 3D Printers With A4988 Stepper Driver, 4 Axis Support, PWM Spindle Control, Compact 68 X 53 X 18mm, Durable Build, Easy Plug And Play Upgrade For DIY CNC Machines
✔️ 4-axis expansion board, single-board upgrade, 12-36V input, GRBL 0.8
The Expansion Board provides extra drive channels to CNC engravers and 3D printers, enabling multi-axis control from a single GRBL-based controller. It’s a compact upgrade designed for DIY machines where space saving and easy plug-and-play setup matters.
The CNC Expansion Board adds four axis drive capacity to engraving machines and hobbyist 3D printers, letting you expand control from GRBL-based controllers in compact setups.
✅ 68 x 53 x 18 mm compact board with 4 axis drive slots
✅ Supports up to 4 motor drivers (modules not included)
✅ DC 12V-36V input, PWM spindle control, and GRBL 0.8 compatibility
✅ Over-temperature shutdown, undervoltage lockout, and current protection
💡 What is a CNC expansion board used for in hobby-grade machines?
Handy upgrade for expanding axis count and simplifying wiring in hobby CNC and 3D printer builds.
- Expands drive capacity for engraving machines and DIY printers - Keeps control simple by using GRBL-based firmware like UNO - Helps manage multiple motors with shared IO ports - Provides protective features to guard against shorts and overheating ✝️