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RC Time (and temp) — Parallax Forums

RC Time (and temp)

Eric REric R Posts: 225
edited 2005-04-27 04:06 in BASIC Stamp
When using RC Time, how stable is it with temp changes? I was thinking like 30 degrees up to 120 degrees or so. Is there a wide swing? Very little? I would like to build an outdoor project that will see these temp changes and wondering what·I will face if anything.

Comments

  • Chris SavageChris Savage Parallax Engineering Posts: 14,406
    edited 2005-04-26 00:48
    Eric,

    ·· The stability of the RCTIME command can't be spelled out as a constant.· It will be affected by the stability of the components used at the various temperatures, including, to some degree, the BASIC Stamp Module itself.· You will simply have to test a circuit out in a given set of conditions to see what you're looking at.· And of course, using components with better tolerance ratings helps!



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    Chris Savage
    Parallax Tech Support
    csavage@parallax.com
  • Tracy AllenTracy Allen Posts: 6,664
    edited 2005-04-26 05:35
    An evaluation of drift & error sources in RCTIME:

    http://www.emesystems.com/BS2rct.htm

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    Tracy Allen
    www.emesystems.com
  • Eric REric R Posts: 225
    edited 2005-04-27 04:06
    Thanks guys



    I will do some reading and a freezer / toaster oven test
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