The Optocoupler 4 Channel 5V Relay Module is a high-quality relay board designed to safely control AC and DC electrical loads using Arduino, ESP8266, ESP32, Raspberry Pi, and other microcontrollers. With optical isolation, this relay module ensures safe, stable, and noise-free switching, making it ideal for home automation, IoT, robotics, and industrial control systems.
πΆ Key Features
β
4 Independent Relay Channels β control up to 4 devices
β
Optocoupler Isolation for enhanced safety & noise protection
β
5V Operating Voltage
β
High Load Capacity:
- 10A @ 250V AC
- 10A @ 30V DC
π’ Applications
π Smart Home Automation
π‘ Light, Fan & Appliance Control
π€ Robotics & Mechatronics
π‘ IoT & Cloud-Based Control Systems
π Industrial Automation
π§ Water Pump & Motor Control
π Security & Access Control Systems
Buy 4 Channel 5V Optocoupler Relay Module for Arduino, ESP8266 & ESP32. Safe AC/DC switching with optical isolation, ideal for IoT & home automation projects.
The Optocoupler 4 Channel 5V Relay Module is a high-quality relay board designed to safely control AC and DC electrical loads using Arduino, ESP8266, ESP32, Raspberry Pi, and other microcontrollers. With optical isolation, this relay module ensures safe, stable, and noise-free switching, making it ideal for home automation, IoT, robotics, and industrial control systems.
πΆ Key Features
β
4 Independent Relay Channels β control up to 4 devices
β
Optocoupler Isolation for enhanced safety & noise protection
β
5V Operating Voltage
β
High Load Capacity:
- 10A @ 250V AC
- 10A @ 30V DC
π’ Applications
π Smart Home Automation
π‘ Light, Fan & Appliance Control
π€ Robotics & Mechatronics
π‘ IoT & Cloud-Based Control Systems
π Industrial Automation
π§ Water Pump & Motor Control
π Security & Access Control Systems
Buy 4 Channel 5V Optocoupler Relay Module for Arduino, ESP8266 & ESP32. Safe AC/DC switching with optical isolation, ideal for IoT & home automation projects.


