Excelity4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

Excelity Relay moudle is useful to control a motor, a led strip, or any other module using arduino. Just connect a digital output of your microcontroller to the relay module, and you can control a power-demanding appliance with the digital signal provided by your microcontroller. Specification: -Control signal: TTL -Rated load: AC125~250V/10A, DC28~30V/10A -Max. switch voltage: 250VAC, 30V -Trigger Voltage: 0-1.5V (LOW); 2.5-5V (High) -Trigger Current: 2-4mA (Max. Load Current: 190mA) -Product Size: 76mm * 56mm (3.0 inch * 2.2 inch) Here the introduce for input & out connection: 1)Input Connection: VCC: Positive power supply (VCC) GND: Connect power negative ( GND) IN1 ~ IN4: Control the pick up of replay by low level or high level Here the introduce for LED Indicator Light: 1)Power Indicator: Green 2)Indicator of Relay Status: Red