The DS18B20X Digital Thermometer provides 9 to 12-bit (configurable) temperature readings which indicate the temperature of the device.Information is sent to/from the DS18B20X over a 1-Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor to a DS18B20X. Power for reading, writing, and performing temperature conversions can be derived from the data line itself with no need for an external power source.
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