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This 5V Relay Module allows you to control high-voltage devices such as bulbs, fans, motors, and appliances using low-voltage signals from microcontrollers like Arduino, ESP32, NodeMCU, or Raspberry Pi.

The module features opto-isolation for better safety and includes indicators for power and switching status. It’s widely used in home automation, robotics, IoT systems, and industrial control.

Key Features:

Operating Voltage: 5V DC

1-Channel relay with switching capability up to 250V AC / 30V DC (10A)

Triggered by digital HIGH/LOW signal

Built-in opto-isolator for signal protection

LED indicators for power and relay status

Screw terminals for easy AC/DC load connection

Compatible with Arduino, ESP32, Raspberry Pi, and more

Ideal for smart home, switching circuits, automation, and control systems