5PCS 3A Voltage Regulator Lm2596 LM2596S DC-DC 3-40V Adjustable Step-down Power Supply Module 24V 12V 5V 3V

5PCS 3A Voltage Regulator Lm2596 LM2596S DC-DC 3-40V Adjustable Step-down Power Supply Module 24V 12V 5V 3V

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