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The ELM327 is a programmed microcontroller produced by ELM Electronics for translating the on-board diagnostics (OBD) interface found in most modern cars. Data may include Fuel and Engine diagnostic information.

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  • Read engine data

  • Check Engine Light

  • Report error codes

  • Clear error codes

  • Display current sensor data

  • Turn on/off additional features

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Features:
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Features

  • Read engine data

  • Check Engine Light

  • Report error codes

  • Clear error codes

  • Display current sensor data

  • Turn on/off additional features

Technical Specification

Operating frequency band

2.4Hz - 2.84Hz unlicensed ISM band

Bluetooth specification

V2.1+EDR

Output power class

Class 2 

Operating voltage

3.3V

Storage temperature

-65°C to + 150°C

Ambient temperature with power applied

-40°C to +85°C

Rated voltage

12V

Rated current

30mA

The voltage on VDD with respect to VSS

0 to +7.5V

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Standards and Certifications

  • CE Marking

  • RoHS Compliance

  • FCC Part 15

  • ISO 9001

  • SAE J1962 (OBD-II Connector Standard)

  • SAE J1979 (OBD-II Standard)

  • UL Certification (if applicable)

Datasheet

View file
nameELM327 MINI.pdf

Pinout Diagram

ELM327 integrates directly to the car (OBD) and connects via Bluetooth with the Mila7 Galooli gateway. Therefore ELM37 does not have a wiring diagram.

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Recommended Configuration For Galooli Gateways


Mila7 and K2