- Designed for a 12V current input, this relay board regulator transistor acts as a reliable sensor, ensuring stable and dependable performance. - Features an onboard optocoupler isolation relay, effectively safeguarding the chip and enhancing operational reliability. - Easily adjustable sensitivity settings allow you to fine-tune the relay threshold using a potentiometer. The relay activates when ambient light falls below this threshold and deactivates when light levels exceed it. - The integrated photoresistor directly correlates light intensity to relay operation, ensuring prompt response to environmental changes. Key Benefits: - Enhances stability and reliability of electronic projects. - Protects sensitive components with optocoupler isolation. - Customizable sensitivity for tailored performance in various lighting conditions. Specifications: - Input Voltage: 12V - Compatibility: Ideal for various relay control applications. - Size: Compact design for easy integration into projects. - Material: Durable components for long-lasting use. - Performance: Quick response to light changes, ensuring effective operation. Use Scenarios: 1. Automate outdoor lighting systems that turn on at dusk and off at dawn. 2. Create a light-sensitive alarm system that activates when ambient light decreases. 3. Implement in smart home projects to control devices based on natural light levels. This product combines functionality, versatility, and reliability, making it an excellent choice for both hobbyists and professionals.