3D Printer Electronics Kit MK2 with RAMPS 1.4 and MK2B Heatbed
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Prices updated: 13 Oct 2026
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About this product
A 3D printer electronics package that combines a 214 × 214 mm MK2B heated bed PCB with a RAMPS 1.4 controller shield for Arduino Mega-compatible boards. The heated bed supports 12 V or 24 V wiring as described in the listing, and the shield brings the electronics for a RepRap printer onto one board.
Specifications
- Heated bed PCB
- MK2B, 214 × 214 mm
- Copper thickness
- 35 µm
- Laminate
- FR4, 1.6 mm
- Heated bed supply
- 12 V or 24 V
- Controller
- RAMPS 1.4 (Arduino Mega compatible)
- PCB color
- Red
Frequently asked questions
Which Arduino board does RAMPS 1.4 need?
RAMPS 1.4 is designed for an Arduino Mega or a compatible board. It does not fit an Arduino Uno, because the Mega's header layout is different.
How do I wire the heated bed for 12 V or 24 V?
The listing describes separate connection patterns for 12 V and 24 V heated bed wiring, referring to the RepRap wiki. Follow the pattern for your supply voltage and double-check before powering the printer.
