Thread: Baud Rates
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Old 11-13-2007, 11:43 PM   #1
NiSlo
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Location: Gold Coast, Australia
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Baud Rates

I need a little help with Baud rates.

I'm using the OBD-Pros interface (serial interface through a serial-usb adapter) which works perfectly at 9600bps. The website says that the obdpros module supports baud rates up to 128000bps. I've been trying to increase the baud rate to ensure that I'm getting as quick refresh rates as possible, but as soon as I play with the baud rate in the software/windows I can't connect.

Is there a way to successfully increase the baud rate to get the fastest transfer speed possible? Would the serial-usb adapter be limiting things?

*Edit* Also, what is the max baud rate of the CAN OBD-II Protocol? After doing a bit more of a search I'll try using hyperterminal at different baud rates to determine if it's my software or hardware causing the problem.
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Last edited by NiSlo : 11-13-2007 at 11:57 PM. Reason: spelling
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