3D Printer Kit RAMPS 1.4 REPRAP Controller Mega2560 A4988 Drivers Heat Sink

3D Printer Kit RAMPS 1.4 REPRAP Controller Mega2560 A4988 Drivers HeatsinkFeature:RAMPS 1.4RAMPS designed to fit the entire electronics needed for a RepRap.RAMPS interfaces an Arduino Mega with the powerful Arduino MEGA platform and has plenty room for expansion.The modular design includes plug in stepper drivers and extruder control electronics on an Arduino MEGA shield for easy service, part replacement, upgrade-ability and expansion.Mega2560 Board for ArduinoWorking voltage: 5VInput voltage (recommended): 7V ~ 12VInput voltage (limits): 6V ~ 20VDigital I/O Pin: 54 (of which 14 PWM)Analog input Pin: 16DC wave on each I/O pin: 40mA3.3V pin current: 50mAFlash memory: 256KBSRAM: 8KBEEPROM: 4KBSpeed: 16MHzA4988 DriverStepper motor driverThis is a carrier board or breakout board for Allegro's A4988 DMOSPackage included:1 x RAMPS 1.4 (complete soldered and assembled)1 x Mega 2560 Board For Arduino5 x Soldered A4988 driver5 x Heatsink for A4988 driver1 x USB cable