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Real-time clock+Thermometer+Display driver

Discussion in 'Electronic Design' started by bolero, Sep 29, 2006.

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  1. bolero

    bolero Guest

    I have need of a single chip that let me to measure time (hours and
    minutes in 24hh format), temperature (in °C) and alternatively
    display it, to a 4-LED display.
    Which IC do you suggest to use?
    Thanks in advance
  2. Guest

    Don't know of a singe IC, but very easy to do with a BasicStamp
    uController, a clock(PCF8583) & a temp sensor(DS1620).
  3. jasen

    jasen Guest

    some sort of microcontroller, there may be free source code out there on the

    use one with atleast 14 I/O pins if you can multiplex the display, you'll
    need 30 or more if not.

  4. Guest

    What do they use in cheap clocks? It may be easier to go backward from
    that than to build from scratch if he only wants one. Some clock chips
    do support temperature, even if the clock it is in doesn't.
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