07-25-2014, 12:34 AM #1
F**k it, I made my own data logger
May be some of you noticed that I asked "strange" quetsions in the past few days. This is because I am building my own data logger for my ski.
I had the base since I builded GPS logger for aerobatic aeroplain few months ago so this was my pivot point.
The logger is about 80% ready.
It will log at 10hz and will record the following data:
number of sat's locked
3 axis G force and combined total G force /this one left after airplain project/
fuel pressure - sensor has to be installed
AFR - AFR controller is needed, I will use my dynojet AFR output for this
max speed for the log session
max RPM for the log session
engine bay temperature
It will have simple 4 rows by 20 symbols LCD display so I can see the data in real time during the ride.
It will also have 16 000 pulse speed signal output so I can log speed on my dynojet /this can be done for the stock speedo if I find out what signal the ECU expects from the speed sensor/.
All the data will be logged on micro SD card
What is left to be done is to clean and optimaze the code a bit and to make RPM convertor, engine bay temp /this is easy/ and atmospherie pressure /also easy/.
The RPM part won't be ready for the weekend since I have no time to look for parts and make the RPM convertor but the rest should be ready for water test this weekend /no display will be used during the test since I have hard time to vind enclosure for it/. The device was tested in car /no sensors/ and works very good.
I wanted to share this with you and I am sure some of you will find it interesting
Stay tuned and will post results of the progress, tests and log files
07-25-2014, 04:47 AM #2
07-25-2014, 04:52 AM #3
07-25-2014, 06:11 AM #4
you need the stuff from the cmd
injector duty cycle, amount of change
07-25-2014, 07:11 AM #5
It is fairly important to have either injector duty cycle or injector pulse width to find fueling issues.
07-25-2014, 07:18 AM #6
07-25-2014, 07:29 AM #7
07-25-2014, 07:43 AM #8
I don't understand the cost of the VTECH Logger vs its functionality. With my HP Tuners I got one hell of a tuner plus a killer logger.
This guy just built his own
07-25-2014, 08:01 AM #9
07-25-2014, 08:06 AM #10
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