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Not sure if this is the type of info you need. You will need a board to generate the stepping pulse and forward/reverse logic, such as a microprocessor or 555 timer. These signals are sent to a driver board (such as an eady driver) which provides the correct voltage and energises the coils sequentially. The step and direction inputs are marked on the board - hook these up to the logic outputs.
A microprocessor can be used in two ways. 1. Send individual coil pulses to a darlington array, such as a ULN2008, which becomes the driver board (very small footprint) 2. Send a single stepping pulse and direction logic to a driver board, such as an easy driver.
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