DEVMO 8 Channel DC 5V Relay Module Board, (2PACK) Electrical Equipments 8-Ch Optocoupler Compatible with PIC AVR DSP ARM MCU PLC Smart Home Control Switch 2 PCS sold2025 NC Type: NC means normally

NC Type: NC means normally closed

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Cable Length50 inch single wire earpiece/headset

DEVMO 8 Channel DC 5V Relay Module Board, (2PACK) Electrical Equipments 8-Ch Optocoupler Compatible with PIC AVR DSP ARM MCU PLC Smart Home Control Switch 2 PCS sold2025 NC Type: NC means normallyDEVMO 8 Channel DC 5V Relay Module Board, (2PACK) Electrical Equipments 8 Ch Optocoupler Compatible with PIC AVR DSP ARM MCU PLC Smart Home Control Switch DC 5V 8 Channel Relay Module Feature: Can be used as microcontroller development board module can be used as home appliance control 5 V 12V to TTL control signal The control signal DC or AC, 220V AC load can be controlled There is a normally open and one normally closed contact A power indicator