(1 Channel) Dc3.3-5V 2 Channel Relay Module With Optocoupler Light Indicator 323163301082

(1 Channel) Dc3.3-5V 2 Channel Relay Module With Optocoupler Light Indicator 323163301082

1、3.3V 5V: Fully compatible with 3.3V and 5V TTL control signals, making the relay module versatile and easy to interface with different systems.

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