DC9-30V Stepper Motor Speed Controller Pulse Generator Motor Speed Regulator

ULN2003 Five-wire Four-phase Stepper Motor Drive Module 5-12V Drive Board. Output frequency: adjustable from 0 to 20KHZ. Output current: 10MA. 1xMotor Speed Regulato r. L293 4.5-36V Photoelectric Isolation Motor Drive Module 1A Two H-bridge Motor.

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