4 channel relay module with optocoupler isolation MCU Expansion Board Control Board 5V 12V 24V

Can control a variety of household appliances, and high-current loads

Adopt high current relay, AC250V 10A DC30V 10A.

Contact part of the independent wiring, safe and reliable

Standard interface, can be expanded in a variety of development boards

With fixing screw holes, easy to install

Applicable to 51/AVR/AVR/ARM and other platforms

4-channel relay output module, relay output contact 250A 10A. input IN1, IN2, IN3, IN4 signal line low level effective. vcc, GND power input, can relay separate power supply relay power input JD-VCC.

Usage:

1, support all microcontroller control.

2, industrial field;

3, PLC control;