Optocoupler-Protected 2-Way Relay Module (5V/12V) for MCU Expansion

This relay module is designed for seamless integration with microcontroller units, offering versatile two-way switching capabilities. It features optocoupler isolation to ensure enhanced protection and stability while operating with either a 5V or 12V power supply. The module is ideal for applications requiring secure and reliable control of high-power devices, making it perfect for hobbyists and professionals working on home automation, robotics, and industrial control projects. Its compact design and user-friendly interface allow for easy installation and expansion of existing systems. Voltage: 5V/12V Manufacture country: China Instructions included: No