Added "Safety disclaimer", "Contributing" and "Supporting" sections to the README
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README.md
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README.md
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@ -14,6 +14,20 @@ Here is a video demonstrating data acquired using this device:
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is a post with more info on how I got RaceChrono displayed on my headunit via
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is a post with more info on how I got RaceChrono displayed on my headunit via
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Android Auto.
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Android Auto.
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## Safety disclaimer
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CAN bus is like a "nervous system" in a car. It is a network that connects
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various ECUs, sensors, etc. Connecting a new device to this network poses risks
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such as data corruption, packet losses, etc., that can negatively affect the
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performance of some or all components of your car. Same applies to incorrect
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connections and alternations of the CAN bus wiring. This can cause various
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undesirable effects, such as "Check engine" lights, electrical and mechanical
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damage, loss of control, injuries and even death.
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By using this project you assume any and all risk assosciated with using the
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described DIY devices, and release any liability from the author(s) and
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controbutors to this project.
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## Supported Hardware
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## Supported Hardware
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* Adafruit ItsyBitsy nRF52840 Express
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* Adafruit ItsyBitsy nRF52840 Express
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@ -114,3 +128,26 @@ Arduino Uno), and use the
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from my fork of the `arduino-CAN` library, and connect the two boards into a
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from my fork of the `arduino-CAN` library, and connect the two boards into a
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small CAN network. Note that you don't need to use a jumper to connect the
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small CAN network. Note that you don't need to use a jumper to connect the
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120 Ohm resistor on the second board in a CAN network (right?).
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120 Ohm resistor on the second board in a CAN network (right?).
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## Contributions
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I'd be happy to add more info on the CAN protocol for other popular sport cars.
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Feel free to send pull requests!
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## Support the project
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I hope you found this project useful, entertaining, educating, etc.
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Personally, I was amazed that for just ~$50 it's possible to get a data logging
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system comparable to the "go to" devices that HPDE enthusasts use that cost 10x+
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more. And since the "brain" of such a data acquisition system is RaceChrono, you
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don't need to fiddle with cables, laptops, etc. to review your data when you
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come back to the pits between sessions.
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Having said that, I've spent a few too many evenings on this project, and this
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is not my paid job. I have some more exciting ideas on how to further improve
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this project, make it more accessible, support more car models... but can't
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justify spending too much more time on it. If you want to thank me for what I've
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already shared, or support my future ideas, I will appreciate if you send me
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some "boba tea money". Here's a PayPal shortcut for your convenience:
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[![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/donate?business=ZKULAWZFJKCES&item_name=Donation+to+support+the+RaceChronoDiyBleDevice+project¤cy_code=USD)
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