KY-019 5V 1-Channel Relay Board Module for Arduino IOT
Can be used as microcontroller home appliance control
The control signal DC or AC, 220V AC load can be controlled.
There is a normally open and one normally closed contact
LED power indicator light
Transistor to increase the relay coil control pins high impedance.
The control pin has a pull-down circuit to prevent malfunction
Switch capacity: 10A
In the package
1pcs KY-019 5V 1-Channel Relay