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

LM317 DC-DC 4.2-40V To 1.2-37V Voltage Linear Regulator Power Supply Module Adjustable Step Down Buck Converter Board Module
sku: 4001260721065
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$0.32
Shipping from: China
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