Shop relay module 1 channel 12v

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£1.77
12V 1 Channel Relay Board Module Active Low - Terminal Blocks
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Shop relay module 1 channel 12v

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1 2 4 Channel Relay Module 30A With Optocoupler Isolation 1 Way 5V 12V 24V Supports High And Low
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1 Channel 12V Relay Module With Optical Coupling Isolation Relay
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ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
AliExpress