OBD Vehicle Data Logger

The OBD Vehicle Data Logger uses an ELM 327 and an Atmega328P to interface with a vehicle’s ECU. It can be used as a diagnostic device or as a Black Box in case of a vehicle accident


  • Compatible with OBD and CAN interfaces
  • Data Logging to SD Card
  • 3-Axis Accelerometer
  • LCD Display


The ELM 327 is an OBD to RS232 interpreter. It is in many OBD vehicle diagnostic tools such as trouble code readers. It can interface with CAN, J1850, and ISO protocols found in vehicles. More info can be found here

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