5V 4-channel relay interface board
each channel needs a 15-20mA driver current. It can be used to control various appliances and equipment with large current. It is equiped with high-current relays that work under AC250V 10A or DC30V 10A. It has a standard interface that can be controlled directly by microcontroller.
Perfect used for domestic appliance, office machine, audio, equipment, automobile, etc. (Remote control TV receiver, monitor display, Audio,Raspberry Pi equipment high rushing current use application)