Match the driver to motor current and control style first. A 1.5A H-bridge breakout, a 43A BTS7960 and an I2C PWM expander solve very different problems, even under the same label.
H-bridge breakouts from 1A to 43A (DRV8871, TB6612FNG, BTS7960), stepper drivers (A4988, TMC260, TB6600), I2C servo/solenoid controllers, and Pi/Arduino shields — sized by current and protocol.
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