Arduino, Raspberry 5v 4 Channel Relay Module With

5 volts  4-Channel Relay Module BoardThis is a 5V 4-Channel Relay interface boardBe able to control various appliances, and other equipments with large currentIt can be controlled directly by Micro-controller (Arduino UNO, MEGA, PRO, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)5V 4-Channel Relay interface board, and each one needs 50-60mA Driver CurrentEquiped with high-current relay, AC250V 10A ; DC30V 10AIndication LED’s for Relay output statusSize: 75*55*18.5MMWeight:61gApplication:Supports all MCU controlThe industrial fieldPLC controlSmart home controlInterface:VCC: 5V Power supply positiveGND:5V Power supply NegativeIN1-IN4: Signal triggerNO1 - NO4: Open  interfaceCOM1 - COM4:Common InterfaceNC1 - NC4: Closed interface