Description
5V Relay Module
Control High Voltage Devices with Low Power Signals
The 5V Relay Module allows you to control high-voltage appliances using low-voltage microcontrollers like Arduino Uno and ESP32. It acts as a bridge between your control system and high-power devices, making it an essential component for automation and smart systems.
Whether you’re building a home automation system or an IoT project, this relay module ensures safe and reliable switching.
Why Use a 5V Relay Module
Working with high voltage can be dangerous. This module provides electrical isolation and safe switching, allowing your microcontroller to control devices like lights, fans, and motors without direct contact.
- Safe control of AC/DC appliances
- Electrical isolation for protection
- Easy integration with microcontrollers
- Reliable switching performance
Key Features
- Operates on 5V control signal
- Supports both AC and DC loads
- Built-in transistor driver circuit
- LED indicator for status monitoring
- Screw terminals for secure connections
- Compatible with Arduino, ESP32, Raspberry Pi
Technical Specifications
- Operating Voltage: 5V
- Trigger Voltage: 3.3V–5V
- Max Switching Voltage:
- AC: 250V
- DC: 30V
- Max Current: 10A
- Channels: 1 Channel
- Control Type: Digital signal
Applications
- Home automation systems
- Smart switches and IoT devices
- Industrial control systems
- Robotics and automation projects
- Remote appliance control
How It Works
The relay acts like a switch controlled electronically. When your microcontroller sends a signal, the relay either opens or closes the circuit, allowing or stopping current flow to connected devices.
Perfect for STEM & IoT Learning
At Alpsense, we focus on hands-on learning. The 5V relay module is ideal for students and professionals learning real-world automation, helping bridge the gap between low-power electronics and high-power systems.
Package Includes
- 1 × 5V Relay Module
Power Your Automation Projects Safely
Add this reliable relay module to your toolkit and unlock the ability to control real-world devices with your code.

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