Open-source OBD-II emulator based on an ESP32 + CAN transceiver IC, controllable via WiFi through a simple web UI (or via API)

Arduino / ESP / RPi Pico library integrating the proprietary VAG Key-Word 1281 protocol (KWP1281/KW1281)

Arduino/ELM327-based project to create a car head's up display

Wireless BLE based hardware to interface with Honda motorcycle ECU

Display information of your KW1281 K-Line VAG vehicle on a display controlled by an Arduino Uno (Or similar).

A WEB Based OBDII Dongle Platform using the REJSACAN ESP32-S3 OBDII DONGLE

C script for talking to OBD-II port via elm327 controller on Linux

Car OBD gauges Arduino TFT

Simple KW1281 diagnosis tool using Zephyr shell

a standalone library for schema-driven data translation from CAN to OBD II