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Case #99: Bob Had a Problem with the Thermal Management
By Design News Staff -- Design News, March 18, 2007
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
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| “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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Additional parts required:Ez430-F2013 development kit with MSP430-F2013 microcontroller, available at Texas Instruments. Download the build instructions(Word Document) |
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Talkback
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Apparently, NASA engineers have time on their...
- 2008-15-2 01:18:14 EST -
Tom, The point is not cost effectiveness. Otherwise I'd pay some kid to mow my lawn. His...
- 2008-14-2 06:53:18 EST -
Hi,You are welcome to review my web page that has more details on using an external thermistor...
- 2007-7-8 04:10:58 EDT -
Bob,Could you post the instructions for your latest hack. I am trying to insert a small...
- 2007-4-6 09:31:31 EDT -
This was also a self-training exercise to master the MSP430-F2013. I subsequently put the...
- 2007-23-3 23:38:01 EDT
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