8 Channel Relay Module 5V DC – Opto-Isolated Relay Board for Arduino, ESP32 & Automation

Control multiple high-voltage devices with ease using the 8 Channel Relay Module (5V DC), a powerful and reliable interface designed for microcontroller-based automation systems. This module allows you to control up to 8 independent AC/DC loads such as lights, fans, motors, and appliances using low-voltage signals from Arduino, ESP32, Raspberry Pi, and other development boards.

Equipped with opto-isolation, the module ensures enhanced protection for your microcontroller by isolating the control circuit from high-voltage loads. Each relay channel features an LED indicator for real-time status monitoring, making debugging and operation straightforward.

Designed for both beginners and professionals, this relay module is ideal for smart home systems, industrial automation, and IoT-based control applications.

🚀 Key Features

• 8 independent relay channels for multi-device control
• Operates on 5V DC control signal
• Supports both AC and DC loads
• Opto-isolated design for improved safety and reliability
• LED indicators for each relay status
• Standard interface compatible with Arduino, ESP32, Raspberry Pi
• Screw terminals for secure wiring
• Durable and easy-to-use module

📦 Package Includes

• 1 × 8 Channel Relay Module (5V DC)

📊 Technical Specifications

• Operating Voltage: 5V DC
• Number of Channels: 8
• Relay Type: Electromechanical Relay
• Trigger Type: LOW / HIGH (variant dependent)
• Load Capacity: Typically 10A @ 250V AC / 10A @ 30V DC
• Isolation: Opto-isolated control circuit

💡 Recommended Applications

• Home automation systems
• Industrial automation
• Smart appliance control
• IoT-based switching systems
• Robotics and control panels
• Lighting and power management
• Remote switching applications