4 Channel 12V Relay Board

Key Features

• 4 independent relays for multiple device control
• Operates with 12V DC input
• TTL logic input pins compatible with microcontrollers
• LED indicators for relay status
• Supports AC and DC loads up to relay rating
• Optocoupler isolation for safe operation

Technical Specifications

• Relay Type: Electromechanical SPDT
• Operating Voltage: 12V DC
• Load Capacity: Typically 10A 250V AC / 10A 30V DC
• Interface: TTL logic input pins
• PCB Dimensions: Compact module

Applications

• Home automation systems
• Arduino and Raspberry Pi control projects
• Motor, light, and appliance switching
• Robotics and industrial automation
• DIY electronics and IoT devices

Package Includes

• 1 × 4 Channel 12V Relay Board