Stepper Motor Drivers - Allegro MicroSystems | Mouser
Amazon.com: RepRap Champion 5 PCS Allegro A4988 StepStick Stepper Motor Drivers for 3D Printer Electronics, CNC Machine or Robotics : Industrial & Scientific
Pololu - A4988 Stepper Motor Driver Carrier
A4988: DMOS Microstepping Driver with Translator
5 PCS Allegro A3967SLB IC Driver Stepper Motor Controller 24 PIN SOIC | eBay
SparkFun Big Easy Driver Stepper Motor Driver Board for bi-Polar Stepper Motors up to a max 2A/Phase Maximum Motor Drive Voltage of Around 30V Includes on-Board 5V/3.3V Regulation Allegro A4988 Chip :
Amazon.co.jp: Big Easy Driver Board V1.2 A4988 Stepper Motor Driver Board 2A / Phase for 3D Printer : パソコン・周辺機器