8-channel relay module with optocoupler isolation, blue board, PLC relay module for control (5 V)

1. Compatible with all microcontrollers. Industrial applications; programmable logic controller (PLC) control; home automation.

2. Uses a high-current relay, AC250V 10A DC30V 10A.

3. Contact components are independently wired, ensuring safety and reliability.

4. Standard interface for expansion on various development boards.

5. Fixed screw holes for easy installation and compatibility with various platforms such as 51/AVR/ARM.