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jox jox is offline
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Join Date: Mar 2010
Car: 135 Convertible
Default 02-10-2011, 12:02 PM

I've actually done some research on Iphone/Ipad datalogging lately, but unfortunately Apple doesn't make it easy for us DIY-geeks. The problem is that the IOS-Api doesn't allow serial communication right away, which makes it a bit difficult. What I´ve found out so far is the following solutions:

1. Jailbreak and use homebrew api:s/cables to interface the JB4 (doable)
2. Use a wifi->serial device and connect via wifi. Doable, but a bit expensive
3. Use a serial -> midi inteface(!). Apple allows midi communication with the ipad without any jailbreaking. Doable, but quite a lot of work.

I've ordered a wifi adapter to do some testing, but unfortunately it's currently out of stock.

In the meantime I'm experimenting with a really cheap external device that logs to an SD-card insted. There is quite a lot of work left to do, but the results so far looks good. Terry has (like always!) been really supporting and helped me out with my questions. My prediction is that I will have a working prototype within a couple of weeks, I'll definately post more info when I've got anything to show!
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