Get rid of the serial cable - Miata Turbo Forum - Boost cars, acquire cats.

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Old 05-04-2012, 12:50 AM   #1
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Default Get rid of the serial cable

Just thought I'd pass on a project I put together to eliminate the serial cable. In my Westfield, the serial port is hard to get to, and I got annoyed at having a serial cable hanging around in my passenger footwell.

Basically, I hacked together an old car phone charger with a $20 bluetooth-->serial converter and use the bluetooth-based virtual COM port in the hydra software. The primary complication is that you need to configure the bluetooth module using the provided cable. It would be unsafe to leave the modem at the default settings, such as pairing PIN=1234.

I have a 2.7 hydra, and it apparently uses a 38400 baud rate, since that's the only rate that let the software communicate with the ECU; I tried every other standard rate from 9600 to 128000, and the module itself was working fine at all the various rates in my tests.

Figured I'd pass this on in case anyone wanted to try this themselves.
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