o3DIAG - A Open Source OBD-II Diagnostic Tool for Windows and Linux
Bench-only, read-only OBD-Lite MVP pairing Raspberry Pi with STM32 (NUCLEO-F446RE). MCU streams newline-terminated JSON over UART (115200) via ST-LINK VCP; Pi reads and logs now. Next: BLE/GATT bridge and a simulated two-node CAN bench. Simple, reproducible, Pi-first workflow with VS Code + PlatformIO.
AI-powered ELM327 OBD-II: read codes + Expert AI for faults/check engine on most OBD2 cars. Generic adapters OK—no brand lock. Ad-free. Docs only. https://www.chatobd2.com/
pyOBD is a modern, open-source OBD-II diagnostics app for Windows, macOS, and Linux. Connect an ELM327-compatible adapter to view live vehicle data, graph PIDs, build custom dashboards, check emissions readiness, inspect freeze-frame data, and read or clear diagnostic trouble codes.
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