10pcs 4ch 3.3V 5V 12V Digital logic level conversion module in PNP/NPN out NPN OUT Optical Isolation Board

10pcs 4ch 3.3V 5V 12V Digital logic level conversion module in PNP/NPN out NPN OUT Optical Isolation Board
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sku: 1005005544008554
$17.30+2%
$17.66
Shipping from: China
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