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5V 2-Channel Relay Module with Optocoupler H/L Level Triger for Arduino NEW M37
- Item No : 294337656025
- Condition : New
- Brand : GCSUPERMARKET
- Seller : gc_supermarket
- Current Bid : US $2.89
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* Item Description
- It is low level triger if COM pin connect to LOW pin; It is high level triger if COM connect to High. Power indicator light (green), relay status indicator light (red);. Module interface specifications.
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