ELM327 Base Usage
1.Document
Data sheet: ELM327中文说明书 - weixin_38931082
2.Command Operation
Input "AT Z" + "\n", ELM327 would return its edition, as below:
3.Offical software operaton
《ScanMaster-ELM v2.1.exe》(Search keyword "ScanMaster-ELM" will fought it lost.)
Must connet any ECU, which only can't return frame data. So will run as below:
4.Open source
In the official site https://www.elmelectronics.com/help/obd/software/#Windows have a lots of softwre, some of them is open source, such as freediag whitch is a full OBD diagnostic software.
Useful open source:
1.freediag. http://freediag.sourceforge.net/
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