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DS18B20 hőmérséklet szenzor
 Unique 1-Wire interface requires only one port pin for communication
 Each device has a unique 64-bit serial code stored in an onboard ROM
 Multidrop capability simplifies distributed temperature sensing applications
 Requires no external components
 Can be powered from data line. Power supply range is 3.0V to 5.5V
 Measures temperatures from –55°C to +125°C (–67°F to +257°F)
 0.5C accuracy from –10°C to +85°C
 Thermometer resolution is user-selectable from 9 to 12 bits
 Converts temperature to 12-bit digital word in 750ms (max.)
 User-definable nonvolatile (NV) alarm settings
 Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)
 Software compatible with the DS1822
 Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system

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