8 Channel Relay Module With Optocoupler Isolation Support And Low Level Trigger Expansion Board 5V 1Pcs 9119770834492

8 Channel Relay Module With Optocoupler Isolation Support And Low Level Trigger Expansion Board 5V 1Pcs 9119770834492

1.The module adopts relay, normally open interface maximum load: AC 250V/10A, DC 30V/10A;. 2.The use of chip optocoupler isolation, drive ability,

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