Wednesday, May 11, 2011

Final Update

1) What we planned to get done this week.
This week, we planned to build a final functioning prototype, print the final puzzle pieces, demonstrate the use of the temperature-sensitive paint, and wrap up with our final presentation. Depending on our progress with the circuit, we were also considering cutting printed circuit boards that were specific to our needs.

2) What we actually got done this week.
We were successfully able to get a signal from human contact using the oscilloscope and alcohol-based hand sanitizing gel. We also printed a new and improved version of the puzzle piece lay out. We started with this last week:



And ended with this as our final prototype:








The final version is a single, compact and connected unit that features aluminum contacts between the modules. It is powered by a single 9V battery, which will replace the four 1.5V batteries that were formerly connected in series. It also contains a small green LED in each electronic module that would eventually be used for self-diagnosing purposes in the case of system failure. Overall, we’re pretty excited about our progress this week!

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