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1-10pcs One relay module with optocoupler isolation supports high and low level triggering. One relay expansion board 5V

1-10pcs One relay module with optocoupler isolation supports high and low level triggering. One relay expansion board 5V

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£1.92

1-10pcs One relay module with optocoupler isolation supports high and low level triggering. One relay expansion board 5V

Prices updated 25 Jun 2026

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1-10pcs One relay module with optocoupler isolation supports high and low level triggering. One relay expansion board 5V

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