SparkFun ProDriver and Mini Stepper Motor Driver Hookup Guide
Contributors:
QCPete, santaimpersonator
QCPete, santaimpersonator 
Troubleshooting
For users looking for technical assistance, click on the link. There you will find, basic troubleshooting tips and instructions to get started with posting a topic in our forums. Our technical support team will do their best to assist you.
Motor Misstep
If users experience a jittery response from their motor or their motor missteps, try increasing the drive current with the potentiometer.
The potentiometer and
VREF pin that can be utilized to control the maximum drive current. (Click to enlarge) By twisting the potentiometer with a screwdriver, users can configure the total drive current from 0A to 2A.
Manipulating the potentiometer on the Mini Stepper Motor Driver with a screwdriver. (Click to enlarge)