1-10PCS DD4012SA DC-DC 5-40V to 3.3V/5V/6V/7.5V/9V/12V 1A Step-Down Buck Converter Module Adjustable Regulator for Power Supply

1-10PCS DD4012SA DC-DC 5-40V to 3.3V/5V/6V/7.5V/9V/12V 1A Step-Down Buck Converter Module Adjustable Regulator for Power Supply

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