This 1-Channel Relay Module is designed for reliable switching of high-voltage and high-current loads. Featuring optocoupler isolation, it ensures safe and stable operation with microcontrollers like Arduino, ESP32, NodeMCU, and Raspberry Pi. Ideal for industrial automation, smart home applications, and educational robotics.
⭐ High-Performance Relay Board
- Supports AC 250V/10A & DC 30V/10A loads
• 4 independent channels for multi-device control
⭐ Safe Optocoupler Isolation
- Protects microcontroller from high-voltage spikes
• Ensures reliable switching & long lifespan
⭐ Wide Compatibility
- Works with Arduino, ESP32, Raspberry Pi, AVR, PIC, ARM
• Suitable for IoT, DIY electronics, automation systems
⭐ Dual Signal Triggering
- Supports both LOW-level trigger & HIGH-level trigger
• Easy integration with any microcontroller
⭐ Industrial & Smart Home Use
- Control lights, fans, motors, pumps, solenoids, appliances
• Ideal for automation panels & smart home switches



