About ELM327 Emulator
ELM327 Emulator simulates an OBD-II adapter so developers can test vehicle-diagnostic apps without connecting to a real car. It can present an ELM327-style interface over Bluetooth, Bluetooth Low Energy, or a network connection. The emulator supports OBD-II messages and protocols such as CAN and KWP2000, along with other protocols handled by compatible adapters. A log records the messages sent by the diagnostic tool, allowing developers to inspect requests and test how an app responds. This makes the emulator useful for development, debugging, and demonstration when a vehicle or physical adapter is unavailable. ELM327 Emulator is a testing tool, not a source of real vehicle data. Its output is simulated, so diagnostic apps should not treat it as an actual reading from a vehicle. The available evidence does not specify how custom responses or protocol parameters can be configured.
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