As the core of 3D printer Rumba’s running is controlled by electric part. Rumba uses the integrated control board on the base of ATmega’s AVR processor. The circuit board is developed for 3D printer carver laser cutter and other CNC. Controlling the 3D printer with USB or printing through SD memory card. With integrated design it is easy to install and debug. Using Arduino IDE as the development software the firmware update and parameter configuration are both easy to use. Compared with other 3D Printer control board Rumba has one more motor driver and less plug-in part so that it can improve the connectivity and stability. Detailed parameters are as follows. 1 Use the same CPU as that of Arduino MEGA as main control chip Atmega2560 cooperates with high-performance USB chip in order that it is compatible with all RAMPS relevant firmware; 2 Five interfaces as input for temperature sensor. 3 All pins being drawn out to permit more function expansion. 4 With expanding interface it can connect the LCD displayed and the development board. 5 Servo’s expanding interface to make the automatic leveling easier to add 6 Supporting 6 pieces of 16 micro stepping drivers of A4988. 7 PWM DC output( heating pipe fan) six channels of output( 1 channel of high current 3 channels of medium current and 2 channels of low current). Use low on-resistance MOS Varactor as driver and LED tests each output. 8 Power-supply: power input 12v-35v dual power to avoid interaction; hot bed connects 11A 12V other sections connect 5A 12V and add a 12V cooler to reduce the high temperature from the high current of Mega controller. 9 Adopts popular control board firmware-Marlin which has good stability usability and function. Size: 135 x 175mm Weight: 90g Software Resources Compiling environment: Arduino IDE Firmware: Marlin HostComputer Software:printrun Repetier-Host (supporting Chinese)
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