5PCS AC 220V Optocoupler Isolation Module Voltage Detector Board TTL 3-5V SCM Testing for Microcontroller Adaptive PLC

5PCS AC 220V Optocoupler Isolation Module Voltage Detector Board TTL 3-5V SCM Testing for Microcontroller Adaptive PLC
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sku: 1005006641987941
$6.17
Shipping from: China
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