Relay Module 5V 2 Channel
VAT inclusive; Computed calculations added locally.
Overview
5V 2-Channel Relay Module
Control multiple electrical loads with the 5V 2-Channel Relay Module, a convenient switching solution for microcontroller-based automation and electronics projects. Featuring two independent relay channels, the module allows a low-voltage control signal to switch compatible external loads.
The module is designed for easy integration with development boards and microcontrollers. Each relay channel can be controlled independently, allowing you to operate two separate devices such as lights, motors, fans, solenoids, or other suitable electrical loads.
Onboard driver circuitry helps simplify relay control, while the relay contacts provide COM, NO, and NC terminals for flexible switching configurations. This makes the module useful for applications where a controller needs to operate devices that require a different voltage or current than the controller itself.
The 5V 2-Channel Relay Module is an excellent choice for home automation, industrial-style prototypes, robotics, smart-control systems, Arduino projects, and general-purpose electrical switching.
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Product Technical Information
Technical Details
5V 2-Channel Relay Module
The 5V 2-Channel Relay Module is a compact interface board that allows microcontrollers to control external electrical loads using two independent electromechanical relays. It is commonly used in automation, robotics, embedded systems, and DIY electronics.
Two Independent Relay Channels
The module contains two relay channels, allowing two separate loads or circuits to be controlled independently. Each channel has its own control input, making it possible to switch different devices according to the requirements of your project.
Flexible Contact Configuration
Each relay typically provides three switching terminals:
- COM – Common
- NO – Normally Open
- NC – Normally Closed
This configuration allows the relay to be used for both normally-on and normally-off switching applications.
5V Relay Operation
The relay coils are designed for 5V DC operation. The module includes driver circuitry to interface the relay coils with suitable control signals, reducing the need to build a separate transistor-based relay driver circuit.
Arduino and ESP32 Projects
The module is suitable for use with Arduino and other development boards. It can also be used with ESP32-based projects when the module's control-input voltage requirements are properly matched.
Typical applications include turning lights, fans, pumps, motors, solenoids, and other compatible loads on or off based on sensor readings or programmed conditions.
Applications
The 5V 2-Channel Relay Module can be used for:
- Home automation
- Arduino automation projects
- ESP32 projects
- Robotics
- Lighting control
- Fan control
- Motor switching
- Pump control
- Solenoid control
- Sensor-triggered switching
- Smart-control systems
- DIY electrical projects
Important Safety Note
Relay contact ratings vary by relay and module version. Do not exceed the voltage or current rating printed on the relay. When switching mains electricity, proper electrical isolation, enclosure, wiring, fusing, and safety practices are essential. Mains-voltage work should be performed by a qualified person.
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