5V 1 Channel Relay Module

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Overview
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Detail Description

5V 1 Channel Relay Module is a compact and reliable relay interface designed to safely control AC and DC loads using a 5V logic signal from a microcontroller. The module includes an electromagnetic relay, driver transistor, optocoupler (in most versions), and protection components, ensuring safe and stable operation.

The relay allows low-voltage control circuits to switch higher voltage devices such as lights, fans, pumps, and appliances. It features NO (Normally Open), NC (Normally Closed), and COM terminals, providing flexible switching options for different applications.

This relay module is commonly used in home automation, IoT systems, robotics, industrial control, and DIY electronics projects. Its easy interfacing, electrical isolation, and reliable performance make it suitable for students, hobbyists, and professionals.

🔹 Key Technical Information (Important)

Module Type: Relay Module
Number of Channels: 1 Channel
Operating Voltage: 5V DC
Control Signal: TTL compatible
Relay Output: NO, NC, COM
Supports AC and DC loads
Electrical isolation via optocoupler (module dependent)
LED status indicator

🔹 Common Applications

Arduino and microcontroller projects
Home automation systems
Switching AC appliances
IoT control systems
Robotics and industrial automation
DIY electronics projects

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