Wave Pi CAN, RS485, RS232 Expansion Board

The Wave Pi CAN, RS485, RS232 Expansion Board is a robust industrial interface expansion module designed for the Raspberry Pi 4B and Raspberry Pi 5. It provides essential communication interfaces, including 2x RS485, 1x RS232, 1x CAN FD, and 1x CAN, each with electrical isolation for reliable and secure data transmission. With built-in lightning-proof and electrostatic protection, it ensures stable performance in industrial environments.



Housed in a durable industrial rail-mount enclosure, this expansion board allows seamless integration into industrial control applications. It reserves internal space for stacking additional HATs or expansion boards and includes a PCIe connector for Raspberry Pi 5, enabling further functionality such as NVMe, Ethernet, USB, and 4G/5G expansion.

Quick Spec

• Compatibility: Raspberry Pi 4B & Raspberry Pi 5 (40-pin GPIO)
• Interfaces:
• 2x RS485 (SC16IS752 + SP485, 300 bps - 921600 bps)
• 1x RS232 (SP3232EEN)
• 1x CAN FD (MCP2518FD + MCP2562FD, 5kbps - 8Mbps)
• 1x CAN (MCP2515 + SN65HVD230, 5kbps - 1Mbps)
• Protection:
• Electrical isolation for all interfaces
• TVS (Transient Voltage Suppressor) for surge and spike protection
• Self-recovery fuse and protection diodes for over-voltage/current safety
• Power Supply:
• 7-36V wide voltage input (via screw terminal)
• Onboard Type-C 5V port
• Expandability:
• PCIe connector for Raspberry Pi 5 expansions (NVMe, Ethernet, USB, 4G/5G)
• Stackable design for additional HATs
• Enclosure: Eco-friendly plastic, supports rail-mount and wall-mount installation
• Dimensions: 154.6 × 83.7 × 59mm

Dimensions

Interface

Pinout

Resources

• Product Page
• Product Wiki
• Schematic
• CAN Demo
• RS485 Demo

Shipping List

• 1 x Wave Pi CAN, RS485, RS232 Expansion Board
• 1 x 40PIN cable
• 1 x Pi5 Connector Adapter (B)
• 1 x Screws pack