4-Channel 5V Relay Module Board, Optocoupler Isolated Relay Interface Compatible with Arduino R3, Mega 2560, Raspberry Pi, ESP32 and DIY Automation Projects

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Kuman

4-Channel 5V Relay Module Board, Optocoupler Isolated Relay Interface Compatible with Arduino R3, Mega 2560, Raspberry Pi, ESP32 and DIY Automation Projects

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Key item features

‌【4 Independent Relay Channels】Provides four separate relay outputs for controlling multiple devices simultaneously. Each channel supports up to AC 250V 10A or DC 30V 10A loads for versatile switching applications.
【Optocoupler Isolation for Reliable Performance】Built with PC817 optocouplers to isolate control signals from output circuits, helping improve stability and reduce interference during operation.
【Low Trigger Current and Easy Control】Each channel requires only 15–20mA drive current and can be directly controlled by Arduino, Raspberry Pi, ESP32, STM32, PIC, AVR, and other microcontroller boards.
【Wide Range of Applications】Suitable for home automation, smart devices, robotics, industrial projects, audio systems, automotive electronics, lighting control, and various DIY electronics applications.
【Standard Interface and Simple Installation】Features standard pin interfaces and onboard status indicators for easy wiring, monitoring, and integration into electronic projects and automation systems.

Specs

Compatible models, Arduino R3, Mega 2560Compatibility, Arduino, Raspberry Pi, ESP32, STM32, PIC, AVRBrand, KumanHas written warranty, NoHas nrtl listing certification, N

About this item

Product details

The Lab 4-Channel 5V Relay Module Board is designed for controlling high-current devices through low-voltage microcontroller signals. Each channel supports up to 10A switching capacity at AC 250V or DC 30V, making it suitable for home automation, robotics, industrial control, and DIY electronics projects. Built with optocoupler isolation and high-quality relays, the module helps improve signal stability and provides reliable switching performance. Each channel requires only 15–20mA driving current and can be directly controlled by common development boards such as Arduino, Raspberry Pi, ESP32, and other microcontrollers. Ideal for controlling lights, fans, pumps, audio equipment, household appliances, automotive accessories, and various electronic devices, this 4-channel relay board offers a convenient solution for switching high-power loads safely and efficiently.

‌【4 Independent Relay Channels】Provides four separate relay outputs for controlling multiple devices simultaneously. Each channel supports up to AC 250V 10A or DC 30V 10A loads for versatile switching applications.
【Optocoupler Isolation for Reliable Performance】Built with PC817 optocouplers to isolate control signals from output circuits, helping improve stability and reduce interference during operation.
【Low Trigger Current and Easy Control】Each channel requires only 15–20mA drive current and can be directly controlled by Arduino, Raspberry Pi, ESP32, STM32, PIC, AVR, and other microcontroller boards.
【Wide Range of Applications】Suitable for home automation, smart devices, robotics, industrial projects, audio systems, automotive electronics, lighting control, and various DIY electronics applications.
【Standard Interface and Simple Installation】Features standard pin interfaces and onboard status indicators for easy wiring, monitoring, and integration into electronic projects and automation systems.

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Specifications

Compatible models

Arduino R3, Mega 2560

Compatibility

Arduino, Raspberry Pi, ESP32, STM32, PIC, AVR

Brand

Kuman

Has written warranty

Warranty

Warranty information

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