5V/12V 1 Way Relay Module With Optocoupler Isolation Relay Board Suitable For 3.3V And 5V 12V Signal Control MCU IO Switch

5V/12V 1 Way Relay Module With Optocoupler Isolation Relay Board Suitable For 3.3V And 5V 12V Signal Control MCU IO Switch
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sku: 1005006480389449
$3.85
Shipping from: China
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