Wednesday, 7 October 2009

development

Our development has been fun so far, we have been playing high speed problem solving and testing of individual elements Tuesday a whole day was spent developing methods of overcoming the message limit on our modified phones, using audio as input into the aurduino to detect when the iphone message tone went. but the only way this was possible was to play music so we created a continuous tone that was easier to distinguish against but this was to inaccurate for implementation, we also tried a vibration sensor to sense the phone vibrating when a message is received this would have to be mounted very carefully inside something with limited influence from the forces applied to the table,




Zak and I work quite well as a group, and had a eirre moment, thinking of a possible solution to the problem at the same time.

In the end Zak got one of the phones we procured from James stash and that's being modified.and Judit  gave us another one, that should allow for two different input types.

We worked out how to make the system wireless (which I still going to set up since it allows for the ability to use flash), but due to the lack of being able to transfer images (within our budget) we are going to need to use a wired connection anyway, using a cat 5 wire that has 8 threads we can transfer usb through 4 and that leaves 4 remaining so we can just send the camera commands down the line as-well, 2 wires is the minimum for the camera trigger if we have 3 we can set up auto focus.

 On Wednesday Zak and I went up to the 3d lab to modify the cellphones to be used as triggers we had to add wires from the jump points previously used for the vibration motors. it had reminnants back to the keyboard hack project trying to solder onto a un prepared circuit board. Zak has a cool butane powered soldering iron.

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