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4 Ways Relay Module with OptocouplerKey Features Relay normally open, normally closed. ..

AUD $15.95

5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield for Arduino or Raspberry P..

AUD $8.95

8 Channel 5V Relay Shield Module Board Optocoupler module Description:100% Brand..

AUD $17.95

ESP8266 5V WiFi Relay Module Things Smart Home Remote Control Switch Tutorial Link ..

AUD $12.40

Solid State Relay 40 AmpsSpecification: Input voltage: 3-32V DC Output volt..

AUD $21.95

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