RUMBA
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Release status: Working
Description | R.eprap U.niversal M.ega B.oard with A.llegro driver
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CAD Models | Altium
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Summary
RUMBA (R.eprap U.niversal M.ega B.oard with A.llegro driver) RUMBA is a feature rich all-in-one electronics solution for Reprap and other CNC devices.
It features an onboard ATmega2560. Its six motor outputs are powered by Pololu pin compatible stepper drivers.
The board features a developer friendly expansion port supporting giving access to all unused I/O, ADC and I2C pins.
RUMBA is designed to be flexible in the user's power source availability, allowing any power supply from 7V-30V.
Safety Tip
Once you start putting electricity into your RepRap - even at just 12 volts - you have to take basic, common sense precautions to avoid fires.
Just in case these fail, test your workshop smoke detector.
Got no smoke detector? Get one!
Features
- compact size: 135mm x 75mm
- fully integrated all in one solution:
- Arduino 2560-R3 compatible (works with Sprinter, Repetier, Marlin out of the box)
- ATmega16U2 (with enhanced firmware) for high speed USB serial connection (up to 2MBit)
- UNIVERSAL POWER:
- can be used with 12V-35V for motors / heated bed
- integrated high precision power regulators (DC/DC) for:
- 12V (FAN/Light/...) and
- 5V (ATmega2560/Logic)
- power input selector for ATmega/logic (stand alone or power from USB)
- easy DISPLAY + SD-CARD connector:
- RepRapDiscount SmartController compatible pin header on board
- up to 6 motor driver with easy micro stepping setup (micro switches) which can be used for:
- TRIPLE extruder
- DUAL Z driver and DUAL extruder
- ...
- 5x temperature ADC connectors for thermistors:
- e.g. 3x extruder thermistor + 1x heated bed thermistor + 1x chamber thermistor
- 5x PWM capable power mosfet outputs (3 with voltage selector for MainPower/12V):
- e.g. 3x (MainPower) extruder heater cartridge/power resistor + 1x (12V) fan + 1x (12V) light
- 1x PWM capable power mosfet with extended cooling area for heated bed
- 6x end stop connectors with power supply
- Xmin/Xmax/Ymin/Ymax/Zmin/Zmax
- can be used for mechanical, opto, hall, ... end stops
- screw terminals *and* pin header for easy motor connection:
- can be used with existing 4 pin Molex plug on motor cable
- easy to attach cables without plug
- USB connector and USB pin header (useful when mounting in a small box)
- Power and ALL unused pins available on EXP-3 feature connector:
- +5V and +12V
- 2x ADC
- 2x PWM I/O
- 4x I/O
- I2C
- full JTAG support
- JTAG can be used during full operation (no shared pins)
- easy to develop/debug new or optimized firmware using Atmel Studio