This is a 5V 4-channel relay interface board, and each channel needs a 15-20mA driver current. This 4-way relay module can be used to control various appliances and equipment with a large current. This four-channel relay module is equipped with high-current relays that work under AC250V 10A or DC30V 10A. 5 volts relay driver module has a standard interface that can be controlled directly by the microcontroller. This relay module board allows a wide range of microcontrollers such as Arduino, AVR, PIC, ARM with digital outputs to control larger loads and devices like AC or DC Motors, electromagnets, solenoids, and incandescent light bulbs.
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