![]() ![]() ![]() Having a device that will supply 2amps and a motor that will consume substantially less is usually no real problem. In that case, the motor coils would burn up. But in this case, you will have to read both the L297 and L298 PDFs and look around for circuit examples of both chips being used together.Īnyway, you generally only need to limit the current, if the power supply can provide more current than the stepper motors and all the related circuitry can handle. I know it can be difficult to get started with them, and so I am trying to read the PDFs for you as I write. It is always helpful to read the PDF and documents. But using external current limiting resistors on chips are always an option to safe guard important components. It sounds as if Franklin is guessing a bit. Minimum current? It would have to be zero - think about it. ![]()
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