ELM323 Datasheet | ELM

ELM323 OBD (ISO) to RS232 Interpreter Description Since the 1996 model year, North American automobiles have been required to provide an OBD (On Board Diagnostics) data port for the connection of test equipment. This port is used to obtain emissions-related diagnostics information, and in some cases can also be used to obtain real-time vehicle operating parameters. The ELM323 is a 14 pin integrated circuit that, with only a few external ponents, is able to convert between the OBD data format and the standard RS232 serial data format. This allows virtually any personal puter or PDA to municate with a vehicle using only a standard serial port and a terminal program. If desired,...