Shop two-channel dc 5v relay module for arduino

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2 Channel Relay Module With Optocoupler 5V 12V 24V Relay Output 2 Way For Arduino Compatible Module In Stock
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3V 5V 12V 24V 2-Channel Relay Shield Module With Optocoupler Active Low Level Trigger Expansion Board 2 Channel
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12V 30A DC Dual-Channel Relay Module Board 5V
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12V 30A DC Dual-Channel Relay Module Board 5V
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How to interface 2 Channel Relay Module with Arduino - Arduino UNO Tutorial
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Shop two-channel dc 5v relay module for arduino

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$0.60
2 Channel Relay Module With Optocoupler 5V 12V 24V Relay Output 2 Way For Arduino Compatible Module In Stock
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2 Channel Relay Module With Optocoupler 5V 12V 24V Relay Output 2 Way For Arduino Compatible Module In Stock
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2 Channel 5V 12V 24V Relay Module Red Board Optocoupler Isolation Output High Low Level Trigger Relay Module
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