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5V One 1 Channel Relay Module Board Shield with optocoupler High and Low Level
- Item No : 363842857255
- Condition : New
- Brand : Unbranded
- Seller : gocartgo
- Current Bid : US $9.30
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* Item Description
- 2, Using SMD optocoupler isolation, driving ability, stable performance ; trigger current 5mA;. 1 x 5V Relay Module with Optocoupler. 1, NO: Normally open relay interface, the relay before the vacant after the pull shorted with COM;.
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