{"id":26575585,"url":"https://github.com/lankow/obd2-emulator","last_synced_at":"2026-04-16T04:03:18.833Z","repository":{"id":270617851,"uuid":"910037899","full_name":"Lankow/obd2-emulator","owner":"Lankow","description":"OBDII-Emulator is an ESP32-based tool designed to emulate data sent by OBDII interface. It serves as a testing utility for the CAR-BT-HMI project. 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It serves as a testing utility for the [CAR-BT-HMI](https://github.com/Lankow/car-bt-hmi) project. The emulator simulates real-time OBD-II data, responding to Bluetooth read requests with dynamically changing values based on a cycle time.\n\n### OBD-II PIDs\n\nOBDII-Emulation is performed as per [Wikipedia OBD-II PIDS](https://en.wikipedia.org/wiki/OBD-II_PIDs).\n\n- **Implemented OBD-II PIDs**\n  - Engine Speed `01 0C`\n  - Vehicle Speed `01 0D`\n\n### Key Features\n\n- **Configuration**\n\n  - The ESP32 acts as an access point with a static IP `(192.168.4.2)`.\n  - Allows users to modify settings such as cycle time, min/max values, and increment steps.\n  - Stored in `/data/default_config.json`, users can adjust SSID, password, and OBD parameter settings.\n  - Configuration is stored in flash memory, allowing persistence across reboots.\n\n- **Emulation**\n  - Simulates real-time updates to OBD parameters and responds to Bluetooth requests with corresponding values.\n  - Connect to `OBDII-ESP` via Bluetooth in order to send requests.\n\n### Requirements\n\n- **Software**:\n\n  - VSCode as IDE\n  - PlatformIO\n\n- **Hardware**:\n  - ESP32 board\n\n### Using Commands\n\n- Build: `pio run`\n- Upload: `pio run nobuild -t upload`\n- Upload Filesystem Image (default_config.json): `pio run -t uploadfs`\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flankow%2Fobd2-emulator","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flankow%2Fobd2-emulator","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flankow%2Fobd2-emulator/lists"}