ITEM NAME:5V 4 Channel Relay Board Module Optocoupler LED for Ard*uino PIC ARM AVR PLC 5V 4 Channel Relay Board Module Optocoupler LED for Ard*uino PIC ARM AVR PLC SKU: Y00158400180449154 Everyone is a moon and has a dark side which he never shows to anybody..Applicable to 51 / AVR / AVR / ARM and other platforms. Inputs IN1, IN2, IN3, IN4 signal lines are active low. With the relay action instructions, pull a bright, off does not shine;. Using large current relay, AC250V 10A DC30V 10A.
