5V/12V/24V 1-Channel 10A Relay Low Level Trigger Module with Optocoupler Isolation & 2-Poles

The 1-Channel Relay Module with optocoupler isolation provides a safe and reliable way to control high-voltage devices using low-level DC signals. Available in 5V, 12V, and 24V versions, this relay module is compatible with Arduino, Raspberry Pi, ESP32, STM32, and other microcontrollers.

It features low-level trigger input, LED indicators, and 2 screw terminal blocks for secure connections. With optocoupler protection, the module isolates the control side from the high-voltage side, making it safe and durable for DIY, IoT, and industrial automation projects.

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Key Features

• Available in 5V, 12V, and 24V versions.

• Low-level trigger – compatible with microcontrollers & logic devices.

• Optocoupler isolation for safe input/output separation.

• Relay rating: up to AC 250V 10A / DC 30V 10A (varies by relay type).

• 2 screw terminal blocks for load connections.

• Onboard status indicator LED.

• Compact PCB design with mounting holes.

• Ideal for home automation, robotics, and embedded projects.

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Technical Specifications

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Applications

• Arduino & Raspberry Pi projects – controlling appliances & lights.

• Home automation – smart switching of fans, pumps, and devices.

• Industrial control systems – interfacing with PLCs & controllers.

• Robotics & IoT devices – safe switching of motors & actuators.

• DIY electronics – low-cost solution for high-voltage device control.