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433MHz for arduiuo Remote Control UART PC USB RF Wireless Relay Controller PT226
- Item No : 272911777766
- Condition : New
- Brand : canton-electronic
- Seller : eletechsup-factory-shop
- Current Bid : US $9.99
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* Item Description
- Inter-locking (Latch): 4-way relay each other to switch, when relay A is working and locked, relay B C D corresponding to switch off; when B is working and locked, corresponding relay A C D swith off ; Only 1 relay is on among 4 relays A B C D;.
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