Waveshare introduces an expansion kit for Raspberry Pi models 4B and 5, turning them into industrial computers with options for DIN rail or wall mounting. This kit features isolated interfaces like RS485, RS232, CAN FD, and CAN Bus, along with a 7-36V DC input using screw terminals. It complements the Raspberry Pi’s networking and peripheral capabilities, supporting Gigabit Ethernet, USB, HDMI (through an adapter), and expansion via Pi HAT and PCIe boards for additional features like NVMe SSDs, extra Ethernet ports, or cellular connectivity.
Specifications:
– Compatibility: Raspberry Pi 4B and 5
– Interface: SPI + UART
– Industrial Interfaces:
– 1 CAN FD (5kbps ~ 8 Mbps) via MCP2518FD + MCP2562FD
– 1 CAN Bus (5kbps ~ 1 Mbps) via MCP2515 + SN65HVD230
– 2 RS485 (300 bps ~ 921600 bps) via SC16IS752 + SP485
– 1 RS232 (300 bps ~ 921600 bps) via SP3232EEN
– Expansion:
– PCIe (Pi 5 only) for NVMe, Ethernet, USB, 4G/5G
– 40-pin GPIO header for Raspberry Pi HAT (limited by height and SPI/UART interference)
– Build: Eco-friendly plastic case, wall and rail mounting
– Power:
– 5V via USB-C on Pi5 Connector Adapter (B)
– 7-36V DC via screw terminals
– Dimensions: 154.6 × 83.7 × 59 mm
– Weight: 323 grams without Raspberry Pi
The kit is software-supported by Mike McCauley’s C library for Broadcom BCM2835, wiringPi, and Python packages. Users can access schematics, sample code, and setup instructions via the Waveshare wiki. While Raspberry Pi-based industrial solutions exist, many rely on CM5 modules. This kit allows existing Raspberry Pi 4 or 5 boards to be converted into low-cost industrial units with RS232, RS485, and CAN Bus capabilities and versatile mounting options.
Availability:
– $60 on AliExpress
– $68.99 on Amazon
– $54.99 directly from Waveshare’s store.