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Author Topic: Honda motorcycle OBD/k-line interface gear indicator  (Read 18352 times)


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Honda motorcycle OBD/k-line interface gear indicator
« on: April 03, 2017, 23:53:37 »
I'm building a gear indicator and information display for my CBR500R. It uses an Arduino Pro Mini, Nokia 5110 display, and hooks in to the Honda diagnostic connector under the seat. Protocol is a custom OBD k-line format. Here is some useful information on the protocol used.

The first version I created used 2N7000 MOSFET's for the serial interface and it worked fine on a breadboard. However, before I could build the final physical version I received some LIN transceivers that should simplify the circuit considerably. I'm working on a new version of the hardware design now.
« Last Edit: April 04, 2017, 00:28:21 by chris »


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