2-4 Channel PC817 Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module 817

2-4 Channel PC817 Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module 817
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sku: 4000171186167
$0.93
Shipping from: China
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