DC-DC Dc 5-40V To 3V 3.3V 3.7V 5V 6V 7.5V 9V 12V 1A Buck Step Down Converter Module Voltage Regulator Board Without Pin

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DC-DC DC 5-40V to 3V 3.3V 3.7V 5V 6V 7.5V 9V 12V 1A Buck Step Down Converter Module Voltage Regulat…

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1,23$ 2,46 $

DC-DC DC 5-40V to 3V 3.3V 3.7V 5V 6V 7.5V 9V 12V 1A Buck Step Down Converter Module Voltage Regulator Board without Pin