Reprap Ramps 1.4 Kit with Mega 2560 r3 + Heatbed MK2B + 12864 LCD Controller + 5*DRV8825 + 6*Mechanical Switch with Cabl

MK2B Heatbed Parameters ● MK2B is the latest and the best type of heatbed money can buy as of today ● with all Prusa and Mendel 3d printer variants ● Size 214mm x 214mm● Etching 35um copper● Laminate FR4 1 6mmRamps 1 4 Controller Board● Heater MOSFET outputs and three fan thermistor circuit ● Integration of additional security 5A and component protection● Control of additional heating bed 11A fuse● Suitable for 5 Pololu stepper driver board● Pololu board pin socket so they can be easily replaced or removed for future designs ●I2C and SPI pins left for future expansion ● Hooked into all MOSFET PWM pin versatility ● Servo type connector is used to connect to the end stop the motor and the light emitting diodes ● These connectors are gold plated rated current of 3A very compact ● On the SD card to add is now available from the Kliment Sdramps● LED indicate when the heater outputMega 2560● Microcontroller ATmega2560● Operating Voltage 5V● Input Voltage recommended 7 12V● Input Voltage limits 6 20V● Digital I O Pins 54 of which 14 provide PWM output ● Analog Input Pins 16● DC Current per I O Pin 40 mA● DC Current for 3 3V Pin 50 mA● Flash Memory 256 KB of which 4 KB used by bootloader● SRAM 8 KB● EEPROM 4 KBDRV8825 Stepper Motor Driver● DRV8825 features an adjustable current limit overcurrent and overtemperature protection six micro resolution down 1 32 step