This is a OrCad PCB Schematic to a very simple ELM327 to uC board.Tested and ok. The board can suply 5V to any plataform from the cars suply. It uses 10 pin cable containing:+5V, GND, ELM RX, ELM TX, ELM BUSY and ELM RTS signals.

Escheme
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README.txt

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