Geeetech RAMPS 1.4 shield, Iduino Mega 2560 baord, 5pcs StepStick A4988 Reprap Motor Driver,3D Printer
1.Iduino Mega 2560Iduino Mega is an ATmega2560 as core microcontroller development board itself has 54 groups digital I / O input / output terminal (14 groups do PWM outputs), 16 sets of simulation than the input side, group 4 UARTs (hardware serial ports), using the 16 MHz crystal oscillator. With the bootloader, download the program directly via USB without having to go through other external writer. Supply part of the optional USB power, or as an external power using the AC-to-DC adapter and battery.2.RAMPS 1.4 extend ShieldIt is a Mega Pololu Shield, or RAMPS for short,designed to fit the entire electronics needed for a RepRap in one small package for low cost.3.A4988 driverThis product is a carrier board or breakout board for Allegro's A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection by Pololu; we therefore recommend careful reading of the A4988 datasheet before using this product. This stepper motor driver lets you control one bipolar stepper motor at up to 2 A output current per coil.Package List:1x Iduino Mega 25601x Assembled RAMPS 1.4 extend Shield5x A4988 driver