- High-level trigger relay module with built-in optocoupler for complete electrical isolation, ensuring safe and reliable operation. - Compatible with DC 3V and 3.3V power supplies, making it versatile for various applications. - Functions as an efficient control board for output signals, allowing for precise command over connected devices. - Equipped with an indicator light for easy monitoring of operation status, enhancing user experience and troubleshooting. - Ideal for multiple control applications that require isolated relay operation, such as: - Automating home appliances or lighting systems for smart home integration. - Controlling industrial machinery or equipment in a safe and isolated manner. - Implementing safety systems in automotive applications to manage critical functions. This relay module stands out for its combination of isolation, compatibility, and practical application, making it a reliable choice for both hobbyists and professionals working on diverse projects. Its compact design ensures easy integration into various setups without compromising performance.