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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.

Technical Specifications

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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