Thursday, December 9, 2010

11/29 class

after a nice long well rested thanksgiving break, its time for some work! today was another work day so we split the team up. Josh and I went to the engineering building and tried to create an amplifying circuit to project the sound better. Kelly and Emily did more research about the tree species and went on a walk to collect material from the woods for out enclosure. Josh had bought an IC chip (LM386) from Radio shack. The LM386 is a low voltage audio amplifier which can have a gain of 20 to 200. we found a pre-made circuit online that we tried but we were unsuccessful. back to the drawing board! 

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