1-Channel 5V Relay Module with Optocoupler

1-Channel 5V Optocoupler Isolated Relay Module Board

The 1-Channel 5V Relay Module allows low-voltage microcontrollers like Arduino, Raspberry Pi, and ESP8266 to safely control high-power electrical appliances such as lights, fans, solenoids, and motors.

Key Features & Specifications:

• Relay Coil Voltage: 5V DC
• Max Switching Capacity: AC 250V/10A, DC 30V/10A
• Isolation: Photocoupler / Optocoupler protection preventing high-voltage back EMF
• Trigger Mode: Active High or Active Low selectable
• Status Indicators: Power LED (Green) & Relay Status LED (Red)
• Terminals: Standard screw terminals for NO (Normally Open), NC (Normally Closed), and COM (Common)

Applications:

• IoT smart home automation and remote appliance switching
• Industrial equipment control and safety cutoff systems
• Automated garden irrigation and pump control