2-Channel 5V Relay Module with Optocoupler
Price: 79.0
A reliable switching device designed for controlling high-voltage and high-current appliances using low-voltage microcontrollers. It is widely used in Arduino, ESP32, PIC, AVR, and IoT-based projects, making it ideal for home automation, robotics, and industrial control applications. With built-in optocoupler isolation, it ensures safe separation between control signals and load circuits while providing stable and noise-resistant operation. Features: 2 independent relay channels for dual device control Built-in optocoupler for electrical isolation and safety Compatible with 3.3V and 5V microcontrollers Active LOW trigger for easy digital control LED indicators for relay status monitoring Supports high load switching for AC and DC devices Screw terminals for secure and easy wiring Compact design suitable for embedded systems Specifications: Operating Voltage: 5V DC Number of Channels: 2 Relay Type: SPDT (Single Pole Double Throw) Contact Rating: 10A at 250V AC / 10A at 30V DC Trigger Type: Active LOW Isolation: Optocoupler isolation between control and load side Interface Pins: VCC, GND, IN1, IN2 Output Terminals: COM, NO, NC per channel Indicator: Power LED and channel status LEDs Board Type: Standard relay module PCB Perfect for home automation, smart switching systems, robotics, IoT projects, and electronic control applications requiring safe and reliable switching of high-power devices.