PWM Signal Generator Pulse Frequency Module 1Hz-150KHz

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Adjustable PWM/Pulse Frequency Generator (1Hz-150KHz) for Motor Speed Control

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Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150KHz Adjustable PWM Pulse...

XY-KPWM PWM Pulse Frequency Duty Cycle Module 1Hz-150KHz Signal Generator LCD