openobd2

Open OBD-II (to USB) adapter.

Details

Physical transports

• ISO 15765-4 CAN, w/ CAN-FD support
• SAE J1850 PWM (planned)
• SAE J1850 VPW (planned)
• ISO 9141-2 (K-line) (planned)
• ISO 14230-4 (KWP) (planned)

Features

• Custom communication protocol for OBD-II data
• Raw CAN access
• Possible ELM327 support (nice to have, not planned right now)
• Possible OpenXC support (nice to have, not planned right now)

Operation modes

• USB connection support
• Possible Bluetooth and/or BLE connection support (nice to have, not planned right now)
• Possible WiFi connection support (nice to have, not planned right now)
• Possible autonomous SD-card data logging support (nice to have, not planned right now)

Hardware

• MCU: SAME51
• CAN transceiver: MCP2542
• K-line transceiver: TLIN1027

Software

• Linux CAN driver
• Python library to interface with the custom protocol