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MIT2_00AJs09_res03 - MIT OpenCourseWare http/ocw.mit.edu...

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MIT OpenCourseWare http://ocw.mit.edu 2.00AJ / 16.00AJ Exploring Sea, Space, & Earth: Fundamentals of Engineering Design Spring 2009 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms .
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2.00AJ/16.00AJ Lab 3: Information on Sensors Overview The Sensor Pack is a do it yourself project that makes complex sensors affordable and customizable to fit the criteria of your sensing needs. Although the theory that makes the sensors function is complex and encompasses many fields of technology, the fabrication and programming is simple and can be completed in just a few hours with a soldering iron, a PC and some wire cutters. At a cost of just over $150, this sensor suite is at least one-third the price of any single sensor available in the suite that is commercially available. The pack is affordable and easy to build as a result of the Basic Stamp microcontroller at its heart. Since the microcontroller has the ability to be reconfigured through software, no complex circuitry is required to begin sensing the environment. In fact, all the circuitry on the board with the exception of the microcontroller is exclusively used to convert the signals from the sensors to a digital range the microcontroller can process. The rest of the processing and calculation is competed on board the Basic Stamp, and stored on a USB memory stick. The à la carte sensor pack includes the following functionality: PC connectivity via serial communication Data manipulation and storage on any USB memory stick Conductivity sensor (to find salinity) Pressure sensor (for depth) Temperature sensor Light sensor Four additional i/o pins for added functionality PC Connectivity Although it is not required to view data, it is essential that the sensor suite have the
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MIT2_00AJs09_res03 - MIT OpenCourseWare http/ocw.mit.edu...

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