When using, you can turn the potentiometer on the drive module to adjust the drive current. In the kit, we have applied the A4988 drive module to drive stepper motor. This stepper motor driver lets you control one bipolar stepper motor at up to 2A output current per coil. This 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. Additionally, a number of Arduino expansion boards can be added to the system as long as the main RAMPS board is kept to the top of the stack. 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. RAMPS interfaces an Arduino Mega with the powerful Arduino MEGA platform and has plenty room for expansion. It 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. After connecting this panel to your Ramps you don't need your pc any more, the Smart Controller supplies power for your SD card. You can easy connect it to your Ramps board using the ""smart adapter"" included. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, 2 ICSP headers, and a reset button. Keyestudio Mega 2560 R3 is a microcontroller board based on the ATMEGA2560. Keyestudio 3D Printer Kit RAMPS 1.4 + Mega 2560 + 5x A4988 + LCD 12864 smart Controller 6.4 Install Slicer Software Repetier-Host.6.2 Install development environment software IDE.1 Keyestudio 3D Printer Kit RAMPS 1.4 + Mega 2560 + 5x A4988 + LCD 12864 smart Controller.
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