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This is simple thermometer with just few components.
The brain is PIC16F84A and sensor is DS18B20
Range of sensor is -55 to 125°C is possible if ONLY the sensor is in that area not the whole device!
The schematic and other stuf to make this thermometer you can find on my blog:

maco PIC Projects

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Bio: My name is marjancho and I love electronics,makeing gadgets,hack and pranks.
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