Relay Module 4Channel 5V

4 channel relay output modules, relay output contacts 250A 10A. Input IN1, IN2, IN3, IN4, the signal line LOW effective. VCC, GND power input, can relay a separate power supply relay power input of JD-VCC

Uses:

1, support all MCU control.

2, the industrial sector;

3, PLC control;

4, smart home control;