high uptime and reliable dual extrusion

Empty line speed: 0-2500mm/min (16 subdivided driving down)

- Do not handle the power cable with wet

shields will be compatible both with the board that uses the AVR

Speed ​​Variation Ratio 1/64

Arduino Mega 2560 R2 Mainboard Halloween - Must Have high uptime and reliable dualThis board can be used with Ramps 1. 4 for most 3d printers. You can choose from the list below to complete a kit. Microcontroller ATmega2560 Operating Voltage 5V Input Voltage (recommended) 7 12V Input Voltage (limits) 6 20V Digital I O Pins 54 (of which 15 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 8 KB used by bootloader SRAM 8 KB EEPROM 4 KB Clock speed 16 MHz