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Case #99: Bob Had a Problem with the Thermal Management
DN Staff
March 19, 2007
2 Min Read
NASA engineer Bob Wilson devised a technological solution for a bureaucratic problem: convince building maintenance that his office was frigid in the morning. By the time anyone responded to a call, the heat was on. So he programmed a TI MSP430-F2013 microcontroller to record the temperature continuously over several days. The size of a quarter and powered by a 3V lithium cell, it records converted, filtered, RL-encoded data from its built-in temperature transducer into Flash memory, to be read back later via a USB interface. The maintenance department was convinced.
Download the build instructions | View Parts List | Post a Comment
"Quarter-sized Temperature controller"
Amt | Part Description | Allied Part # |
|---|---|---|
1 | 32.768 kHz watch crystal or equivalent | 614-0186 |
1 | 20 mm. coin cell, 3-3.5V or equivalent | 774-0113 |
1 | Half-inch, clear, shrink wrap or equivalent. Only 0.5 x 0.5 inch per cell, 100+ cells | 708-9214 |
1 | Epoxy putty. For ~50-100 cells | 796-9831 |
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