For each application the right type of stepper motor and driving circuit has to be determined ... this precludes using a simple unipolar driver like an ULN2003 Darlington array, as these cannot ...

[Mark Rehorst] tells us about a tragic incident involving an untimely demise of $200 worth of motor driving hardware, and shares a simple circuit ... motor driver, the controller board, and ...

The traditional architecture for stepper-motor-driver electronics is shown in Fig. 1. The core of the circuit is a microcontroller ... system complexity, pc-board area and cost.