Wednesday, October 14, 2009

PIC16F84A Thermometer







This is simple thermometer with just few components.
The brain is PIC16F84A and sensor is DS18B20
The source code is here HEX-code and the Schematic.
Range of sensor is -55 to 125°C is possible if ONLY the sensor is in that area not the whole device!
The video of thermometer you can warch here:Thermometer

10 comments:

  1. Hi! Just one question... Where is the second LED display on schematics?

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  2. The second display is not showed, but we can see a anode of the next parallel 3 displays.
    PEtar

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  3. If I put all 4 LED displays, what will show they? For example, will it show format like this: -27C?

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  4. And which display's did you conected, middle one's? I mean: 2nd and 3rd displays from schematics?

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  5. Hi
    Very nice work,

    The link for the Hex file is not the correct one. Can you fix the link please

    Thanks
    Al

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  6. please can you drow it againe using the two segment ?
    if you don't mine can you tell as how do you programe the PIC 16f84a

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  7. I find rus site http://www.pic16.nm.ru/site/thermometer/thermometer.html in this site woos PIC16F628 code to.

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  8. hi, anybody help me? i want to create thermostat, using this project based.. just adding a relay to control on/off of bulb.. thanks for help..

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  9. Wonderful. Got me up and running with my arduino fridge replacement thermostat in minutes.

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  10. hi .. i wanted to use this digital thermometer as my project to one of my subject...
    can i ask the list of the components.. please help me

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