Thursday, February 1, 2007

Main Idea P2: Modification and Construction

After talking over our main idea in class (Week 2), Stephen and I decided to modify what kind of sensory input it received. We decided that making a choker that detected breathing would have problems picking up air (the sensor would most likely need to be extremely sensitive to detect really small puffs of inhalations/exhalations). Instead, we decided to have the choker detect head movements (which is perhaps more fitting for a body interface course).

For the sound/music aspect of the patch, initially, we decided to pick something indicative of relaxation (doing neck exercises indicates a need for stress relief).

We have encountered numerous problems while building this project. First of all, when we constructed it and attached it to the Arduino, the program would lag horribly on Stephen’s computer. We tried running it on the lab’s Mac (no luck) and on one of the library’s Macs. The latter required downloading a crucial aspect for the Mac in order to run the Arduino properly and also installation aid (which we received from ACS). For all the effort, the patch still did not work. At this point, we tried running it on a different laptop -and it ran perfectly fine. Puzzled, we started looking at the different components of the patch and realised that the most important object in the patch -the one getting input from the Arduino -was what made the machine lag. However, when we tried using an older version of MAX/MSP, the program ran fine, without any lag at all (finally….).

Here are images of our progress:

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