The ELM327 is a programmed microcontroller produced by ELM Electronics for translating the on-board diagnostics (OBD) interface found in most modern cars. The ELM327 command protocol is one of the most popular PC-to-OBD interface standards and is also implemented by other vendors. https://en.wikipedia.org/wiki/ELM327

STN1100

https://www.scantool.net/static/documentation/stn1100-ds.pdf

Links

• https://www.elmelectronics.com/wp-content/uploads/2016/07/ELM327DS.pdf
• https://files.elv.com/service/manuals_hw/86178_Bluetooth_OBD_UM.pdf
• https://www.elmelectronics.com/help/obd/tips/#UnderstandingOBD
• https://en.wikipedia.org/wiki/ISO_15765-2
• http://www.emotive.de/documents/WebcastsProtected/Transport-Diagnoseprotokolle.pdf
• https://github.com/linklayer/pyvit