Amazon.com: 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 :
Stepper Motor Driver Circuit
Bipolar Stepper Motor Driver 74194
How to drive a stepper motor- simplified beginner's guide with common questions - DIY Projects
EASYDRIVER: 4-Wire-Stepper Motor Driver | by J3 | Jungletronics | Medium
5 Amp Stepper Motor Driver – 22kg Driver Module with Arduino – Circuit Magic
Easy Stepper - RepRap
Building a Better Bipolar Stepper Motor Driver - General Discussions - RobotShop Community