espBerry - ESP32 Development Board with Dual Isolated CAN Bus HAT

Waveshare 2-Channel Isolated CAN FD Expansion HAT For Raspberry Pi, CAN FD Support, Multi Onboard Protection Circuits - AliExpress

espBerry - ESP32 Development Module with Raspberry Pi GPIO Header

RS485 CAN HAT (B) User Guide

ESP32 Sketch: espBerry with Dual MCP2515 CAN Bus HAT - Copperhill

Raspberry Pi RS485 RS232 Isolated Expansion HAT SPI control

2-Channel Isolated RS485 Expansion HAT for Raspberry Pi: NMEA 0183 Com – Hat Labs

2-Channel Isolated CAN FD Expansion HAT for Raspberry Pi, Multi Protections

CAN32 - An ESP32 dev. board with CAN-Bus (V2.1) from Fusion Tech on Tindie

Isolated RS485 CAN HAT (B) For Raspberry Pi, 2-Ch RS485 and 1-Ch CAN, Multi Protections

5V 1.8A Isolated Output PoE Module - For Raspberry Pi 3 B+ or 4 : ID 3848 : $15.95 : Adafruit Industries, Unique & fun DIY electronics and kits

RS485 and CAN-BUS HAT for Raspberry Pi — PMD Way

2-channel Can Bus Extension Expansion Board Module Hat Kit For Rpi 0 Rpi4 Raspberry Pi Zero 2 W Wh 2w 3 4 Model B 3b Plus 4b - Demo Board - AliExpress

espBerry - ESP32 Development Board with Dual Isolated CAN Bus HAT

espBerry - ESP32 Development Module with Raspberry Pi GPIO Header

Two Channel Isolated RS232 HAT for Raspberry Pi — PMD Way