RAMPS 1.6 is a modular 3D printer controller board designed for DIY and custom FDM 3D printer builds using compatible Arduino-based control hardware. BDTronics offers this RAMPS 1.6 motherboard for users building, upgrading or repairing 3D printers that require multiple stepper motor outputs, heater control, thermistor inputs, LCD connectivity and expansion interfaces.

BDTronics RAMPS 1.6 provides five stepper motor driver sockets and supports commonly used plug-in A4988 and DRV8825 stepper drivers. It includes dedicated outputs for heaters, fans and heated beds, three thermistor interfaces, dual Z motor outputs and additional I2C/SPI expansion pins. The modular socket design also makes individual connectors and driver modules easier to install, remove or replace.

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Features:

• RAMPS 1.6 3D printer controller board

• Designed for DIY and custom FDM 3D printers

• Compatible with Marlin firmware-based printer configurations

• Suitable for compatible Klipper configurations

• Five stepper motor driver outputs

• Supports A4988 stepper motor drivers

• Supports DRV8825 stepper motor drivers

• Dual Z motor outputs

• Dedicated heater MOSFET outputs

• Fan MOSFET outputs

• Three thermistor interfaces

• Heated bed output with additional 11A fuse protection

• Heater status LEDs indicate heater output activity

• LCD and control panel connectivity

• I2C expansion interface

• SPI expansion interface

• Modular removable stepper driver sockets

• Replaceable pin sockets for easier maintenance and future modifications

• Gold-plated connectors

• Connector rated current: up to 3A

• Compact controller board design

• Suitable for Prusa-style 3D printer configurations

• Useful for DIY 3D printer electronics and controller replacement projects

Specifications:

• Product Type: 3D Printer Controller Board

• Model: RAMPS 1.6

• Application: FDM / FFF 3D Printer

• Firmware Compatibility: Marlin, compatible Klipper configurations

• Stepper Driver Outputs: 5

• Supported Stepper Drivers: A4988, DRV8825

• Z Motor Outputs: 2

• Thermistor Interfaces: 3

• Heater Outputs: MOSFET controlled

• Fan Outputs: MOSFET controlled

• Heated Bed Protection: Additional 11A fuse

• Heater Indicator: LED

• LCD Interface: Supported

• I2C Interface: Available

• SPI Interface: Available

• Connector Type: Modular removable sockets

• Connector Rated Current: 3A

• Connector Finish: Gold-plated

• Board Type: Modular 3D printer controller

• Package Quantity: 1 controller board

Stepper Motor Control:

• Provides five stepper motor driver sockets for typical 3D printer axes and extruder configurations.

• Supports plug-in A4988 stepper drivers.

• Supports plug-in DRV8825 stepper drivers.

• Dual Z motor outputs can be used for configurations requiring two Z-axis motors.

• Suitable for common Cartesian and Prusa-style 3D printer designs.

• Driver modules can be removed and replaced without replacing the complete controller board.

Heater and Fan Control:

• Dedicated MOSFET outputs are provided for heater control.

• Fan outputs are controlled through MOSFET switching.

• Heater activity can be visually monitored through onboard LEDs.

• Heated bed output includes an additional 11A fuse.

• Suitable for controlling compatible 3D printer hotends and heated beds.

• Proper power supply selection and wiring are required according to the connected heater and heated bed specifications.

Thermistor Interfaces:

• Three thermistor interfaces are available.

• Suitable for monitoring hotend, heated bed and additional temperature sensors in compatible printer configurations.

• Thermistor configuration depends on firmware settings and the sensors being used.

LCD and Expansion:

• LCD interface is available for compatible 3D printer displays.

• I2C pins are available for expansion and additional peripherals.

• SPI pins are available for future hardware expansion.

• Expansion interfaces provide additional options for custom printer electronics.

Modular Design:

• Plug-in stepper driver architecture makes driver replacement easier.

• Pin sockets are designed to be removable and replaceable.

• Modular construction is useful for DIY printer builders and repair projects.

• A faulty compatible driver module can be replaced without replacing the entire RAMPS board.

• Gold-plated connectors provide compact connections with a rated current of up to 3A.

Marlin and Klipper 3D Printer Builds:

RAMPS 1.6 is commonly used as part of Arduino-based 3D printer electronics and can be used with compatible Marlin configurations. It can also be incorporated into Klipper-based printer builds when the required host controller, microcontroller configuration, pin mapping and firmware support are correctly configured.

• Suitable for custom Marlin 3D printer builds

• Suitable for compatible Klipper configurations

• Useful for DIY Cartesian printers

• Suitable for Prusa-style printer electronics

• Useful for replacing older RAMPS controller boards

• Suitable for custom printer modifications

• Compatible hardware configuration is required before firmware setup

Applications:

• DIY 3D printer controller

• Custom FDM 3D printer

• Cartesian 3D printer

• Prusa-style 3D printer

• 3D printer motherboard replacement

• 3D printer electronics upgrade

• Marlin 3D printer

• Klipper 3D printer

• 3D printer repair

• 3D printer controller development

• 3D printer prototyping

• RepRap-style 3D printer

• Custom CNC-style motion projects

• Electronics experimentation

• 3D printer development projects

Installation and Usage:

• Confirm that your printer electronics are compatible with RAMPS 1.6 before installation.

• Install compatible A4988 or DRV8825 stepper driver modules in the designated sockets.

• Check driver orientation carefully before powering the board.

• Connect X, Y and Z stepper motors according to the selected printer configuration.

• Use the second Z motor output when a dual-Z configuration is required.

• Connect the extruder motor to the appropriate stepper driver output.

• Connect compatible thermistors to the available thermistor inputs.

• Connect hotend, heated bed and fan wiring to their designated outputs.

• Connect a compatible LCD if required.

• Configure the correct board, pins, stepper drivers, thermistors and other hardware parameters in the selected firmware.

• Verify all power and motor connections before applying power.

• Set appropriate stepper driver current according to the connected motor and driver specifications.

• Ensure heater wiring and power supply capacity are suitable for the connected load.

Important Installation Notes:

• Always disconnect power before installing or removing stepper driver modules.

• Check A4988 and DRV8825 driver orientation carefully.

• Do not exceed the rated current of connectors and board components.

• Use an appropriately rated power supply and wiring for heaters and heated beds.

• Configure firmware correctly before operating motors or heaters.

• Incorrect wiring can damage the controller, stepper drivers or connected components.

• Heated bed and hotend circuits can draw substantial current; use suitable wiring and electrical protection.

• Verify thermistor type and firmware settings before heating the printer.

Package Includes:

• 1 × RAMPS 1.6 3D Printer Control Board

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