LM317 Adjustable Voltage Linear Regulator Power Supply Step Down Buck Converter Board Module LM317 DC-DC 4.2-40V To 1.2-37V

LM317 Adjustable Voltage Linear Regulator Power Supply Step Down Buck Converter Board Module LM317 DC-DC 4.2-40V To 1.2-37V
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sku: 1005003336895880
$0.80
Shipping from: China
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