BeagleBone Relay Cape – 4-Channel Relay Expansion Board for Home & Industrial Automation

Automate with Confidence

The BeagleBone Relay Cape is a straightforward, plug-and-play expansion board that adds four independently controllable relays to your BeagleBone board. It's automatically recognized on connection via the Cape Universal function, so there's no special configuration required — mount it and start switching loads.

🎯 Key Features

• Four independent relays rated at 15A @ 24VDC / 12A @ 250VAC
• I2C EEPROM for automatic board identification and quick programming
• Automatic recognition on connection — no special configuration needed
• Individual relay control via a simple sysfs LED interface
• Supports multiple programming approaches: C (file descriptors), libgpiod/gpiod, and Python3
• Easy, beginner-friendly integration with BeagleBone boards

💡 Technical Specifications

🌍 Applications

Home automation (lighting, HVAC control), industrial automation and process control, robotics and motor switching, and any BeagleBone project that needs reliable relay-driven switching.

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