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Tag is 4-channel relay module high level trigger

Relay&Relay Module 4-channel relay module expansion board high level trigger 5V/9V/12V/24V

4-channel relay module expansion board high level trigger 5V/9V/12V/24V Product description: 1 , the module complies with international safety standards, the control area and the load region isolation trench ; 2 , using double-sided FR-4 circuit board design , high-end chip prod...Read More

4-channel relay module high level trigger

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