ELM327DSF Datasheet (ELM) - OBD to RS232 Interpreter

ELM327DSF, OBD to RS232 Interpreter

Almost all new automobiles produced today are required, by law, to provide an interface from which test equipment can obtain diagnostic information.

The data transfer on these interfaces follow several standards, none of which are directly compatible with PCs or PDAs.

The ELM327 is designed to act a

ELM327DSF Features

* through programmable parameters, to name only a few. The ELM327 requires few external components to make a fully functioning circuit. The following pages discuss the interface details, and show how to use the IC to ‘talk’ to your vehicle, then concludes with two schematics to get you started. Applic