Description One Wire Digital Temperature Sensor – DS18B20 / DS1820 Features 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. User-definable nonvolatile (NV) alarm settings Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition) Technical Specifications Power supply range is 3.0V to 5.5V Measures temperatures from –55°C to 125°C (–67°F to 257°F) ±0.5°C 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.) Applications Thermostatic controls industrial systems consumer products thermometers any thermally sensitive system Documents and Downloads DS18B20 Datasheet Arduino Temperature Control Library mbed Example Bildr Tutorial Package Includes 1x One Wire Digital Temperature Sensor – DS18B20 or DS1820
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