Navo 2-Channel 5V Relay Expansion Board - Black + Blue
It can be used to control all kinds of household appliances and high current load devices. The relay contact capacity is 250V 10A for AC and 30V 10A for DC. Relay output normally open and normally closed. It’s very safe for its independent arrangement of wire and also very convenient to install for the fixed screw holes on the board. Suitable Platform: 51/AVR/ARM Platform