Complete article, code and schematic of a black-box we installed on a '87 Porsche 911 engine.
To upgrade the horsepower output of the engine, a different air-mass-meter was installed on the engine and the black-box with the Atmel does a signal conversion to adapt for the change.
With the integrated RS232 port, the fuel-mixture can be modified online with the engine running.
rene.dupont@education.lu
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