Description:
The new 5V Relay Module
Can be used as microcontroller development board module can be used as home
appliance control
5 V-12V to TTL control signal
The control signal DC or AC, 220V AC load can be controlled.
There is a normally open and one normally closed contact
A power indicator light
A control indicator, pull off, disconnect does not shine
Transistor drive to increase the relay coil control pins high impedance.
The control pin has a pull-down circuit to prevent malfunction relay vacant
Equipped with fixed screw holes, easy to install,
Size 1.8cm*4.0cm*1.9cm
Package included:
1 * KY-019 One Channel Relay Module