5V 1 CH One Channel Relay Module Board Shield For PIC AVR DSP ARM MCU Arduino

Description module size: 53x18x18.5mm Module interface: Input part: VCC:connect to power positive (according to the relay voltage range) GND: connect to power negative IN: relay module trigger pin (high level trigger) Output part: Normally Opened (NO) : normally open pin of relay. NO pin is not connect to COM pin when relay off.NO pin is connect to COM pin when relay on; Common pin (COM) : Common pin of the relay; Normally closed (NC) : normally close pin of relay.NC pin is connect to COM pin when relay off.NC pin is not connect to COM pin when relay on; Electrical parameters: Voltage version:5V The static current:4mA Working current:65mA Trigger voltage:2-5V Trigger current:2mA Package Included: 1 x 5V 1-Channel Relay Module with Optocoupler High Level Trigger for Arduino