10pcs Mini DC-DC Buck Step Down Converter Power Supply 5.5V-32V Step-Down 12V 24V TO 5V 1A Voltage Regulator Replace LM7805

10pcs Mini DC-DC Buck Step Down Converter Power Supply 5.5V-32V Step-Down 12V 24V TO 5V 1A Voltage Regulator Replace LM7805

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