Buck Step-down LM2596 Power Converter Module DC 4.0~40 to 1.3-37V LED Voltmeter

Buck Step-down LM2596 Power Converter Module DC 4.0~40 to 1.3-37V LED Voltmeter

Michael B.
Outlined in the drawing are key components of an ebay purchased "Buck Step-down LM2596 Power Converter Module DC 4.0~40 to 1.3-37V LED Voltmeter"
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