Add reliable, isolated CAN bus communication to your Raspberry Pi with this dual-channel expansion HAT. Built around the MCP2515 CAN controller and SN65HVD230 transceiver, it provides two fully independent CAN channels — ideal for industrial control systems, automotive projects, and IoT devices that need to communicate with CAN-equipped hardware.

Onboard electrical isolation keeps your Raspberry Pi safe from voltage spikes and interference on the CAN network, while a built-in TVS diode and digital isolator provide additional protection. Flexible jumper settings let you match the HAT to your system's voltage level and termination requirements without any soldering.

Key Features

• Dual Independent CAN Channels – Two MCP2515 + SN65HVD230 chip pairs for simultaneous, independent CAN bus communication
• Electrical Isolation – Onboard power isolation provides stable isolated voltage; no external power supply needed for the isolated terminal
• Signal Protection – Digital isolator and TVS diode guard against ESD, transient voltage spikes, and interference
• Selectable Logic Voltage – Jumper-configurable for 3.3V or 5V operation to suit your system
• Optional Terminal Resistor – Built-in 120Ω resistor can be enabled or disabled via onboard jumper
• SPI Interface – Connects to the Raspberry Pi over SPI for easy integration with other platforms like STM32 or Arduino
• Standard 40-Pin GPIO Header – Compatible with any Raspberry Pi model that has the standard 40-pin GPIO header
• Compact Dimensions – 65 × 56.5 mm form factor fits neatly on the Raspberry Pi

Ideal For

• Industrial automation and control systems
• Automotive and vehicle network diagnostics
• IoT gateways connecting to CAN-enabled sensors and devices
• Robotics and embedded systems development

Package Contents

• 1× 2-Channel CAN HAT
• 1× Raspberry Pi screws pack
• 1× 2×20-pin female header

Resources

• Waveshare Wiki – Setup guide, schematics, and example code (C & Python)