Stepper motor differential drive

Iam trying to use an arduino and stepper motors to build a differential drive for my robot and having a lot of problems any help that someone can give me will be appeciated

What are your problems exactly? Depending on your question it should be placed here or at answers.ros.org

robolaunch Cloudy robot use diffrential drive stepper motor system, you can reach scheme and part list also, GitHub - robolaunch/cloudy: robolaunch Cloudy ROS 2 workspace