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4-Channel 5V 12V Relay Module w/ Optocoupler - Blue (Expanded Version)
Using a large current relay£¬ AC 250V 10A DC 30V 10A contacts part independent wiring£¬ safe and reliable; Standard interface£¬ can be extended in a variety of development board; With screw holes for easy installation; Suitable for 51 / AVR / AVR / ARM etc various platform. 4-channel relay output module; Control port: 5V; Relay output maximum contact point: 250V / 10A; Input IN1 / IN2 / IN3 / IN4 signal wire low level is effective; VCC£¬ GND power input port; Individually power supply input port JD-VCC for relay. Supports all microcontroller£¬ industrial area£¬ PLC control£¬ home intelligent control.