AC-DC Adjustable Voltage Regulator LM317 Buck Boost Power Supply Module AC5V-20V to DC1.25V-30V Board

AC-DC Adjustable Voltage Regulator LM317 Buck Boost Power Supply Module AC5V-20V to DC1.25V-30V Board
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sku: 1005004940688297
$4.20+20%
$5.03
Shipping from: China
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