Description:
Using the same CPU as for Arduino MEGA, for Atmega2560 is used as the master chip, and with the high-performance USB chip ATMMGA16U2, compatible with all RAMPS related firmware. The control board firmware uses widely-used Marlin, which has excellent performance in terms of stability, ease of use, and functionality.

Features:
The electronic part Rumba plus is the brain of the 3D printer. All movements are controlled by the electronic part.
The electronic part uses an integrated 3D printer control board based on the Mega2560-based AVR processor. The board is designed for CNC machining such as 3D printers, engraving machines, and laser cutting machines.
You can use a personal computer to control a 3D printer through a USB cable connection or print directly from an SD card.
Due to the integrated design, installation and commissioning are simple, and the common for Arduino IDE is used as development software. The firmware upgrade and parameter configuration are simple and easy to use.
Using a high-performance, low-pass resistance Mos tube as the driver, the heat dissipation is better and more stable.
Dual power supply design effectively avoids mutual influence.
Each output has an LED as an indicator.
5 temperature sensor interface inputs.
All pins are exported for more functional expansion.
With LCD expansion interface, you can connect Chinese LCD screen and SD expansion board to achieve offline printing.
The servo expands the interface to add the automatic leveling function.
Supports six A4988, 16 subdivided stepper driver boards.

Specifications:
PWM DC output:
- 6 outputs: 1 large current, 3 medium current, 2 small current
- Drive: Mos tube
- Indication: LED
Power supply section:
- Dual power supply: 12V power supply is highly recommended
- Hot bed part: support 12V, 11A
- Other parts of the circuit: 5A, 12V

Packing List:
1 * Printer Motherboard
6 * TMC2130 V1.0
6 * Heat Sink
1 * Screwdriver
1 * USB Cable