DC 12V 8-CH Bluetooth Receiver Relay Board Android Smart Remote Control Switch M
24,18 €
Nano Sheild. OLED LED&RGB. Video:see " 4CH Bluetooth Relay V3 Demo". 1 x 8 Channel Bluetooth relay. B2", relay 2 is "Open", the other relay is "Close", and so on. NO8 disconnect COM8, NC8 connection COM8 Bluetooth APP operations：.
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