5V 8-Channel Relay Module Board For Arduino Optocoupler 8 Channel Relay Smart Home Switch Max 10A AC 250V DC 30V.
5V 1 2 4 8 channel Relay module with optocoupler Relay 5 V Output 1 2 4 8 way Relay module For arduino Expansion Board
Specification:
Maximum load: AC 250V/10A, DC 30V/10A
Trigger current: 5mA
Working voltage: 5V
Module size: 50 x 26 x 18.5mm (L x W x H)
Four mounting bolts holes, diameter 3.1mm
DC+: positive power supply (VCC)
DC-: negative power supply (GND)
IN: can be high or low level control relay
NO: normally open relay interface
COM: Common Interface Relays
NC: normally closed relay interface
