Auxiliar display that shows some information from my car ECU through OBD ISO 9141-2 bus
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The current ECU data displayed are:
Schematic:
The first step was to discover which pcb traces were responsible for the communication between ELM327 and the bluetooth module.
And then cut those traces and wire them to the new board.
I love it that you started from one of these ODB-II modules. Great way to get the robust connection with the vehicle and the CAN data you needed all at the same time.
hello my name is Casey live in Sacramento California ny way I can purchase one of these for my 98 chevy truck please this would be super helpful if I new what I was doing I'd fallow your instructions and make one but unfortunately I have no clue about any of this I'd it's possible to buy one or have you make one ans I'll buy it please contact me at 9165096731
Frederico Souza Sant'ana
akarshagarwal98
Tony E. Nazzal
Jara
I had this as an idea once. Great find! I might start looking into my Autel scanner now