Module Relay JQC-3FF-S-Z
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.