AC 220V 1 Channel Optocoupler Isolation Module Board 1 Way PLC Compatible Microcontroller Photocoupler Module 3-5V TTL

AC 220V 1 Channel Optocoupler Isolation Module Board 1 Way PLC Compatible Microcontroller Photocoupler Module 3-5V TTL
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sku: 1005004143639524
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$3.10
Shipping from: China
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