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DS18B20 Temperature Sensor



Availability: In stock

Quick overview

  • Manufacturer: Dallas Semiconductor (Maxim).
  • Manufacturer P/N: DS18B20.
  • Unique 1-Wire interface requires only one port pin for communication.
  • Each device has a unique 64-bit serial code stored in an on-board ROM.
  • Requires NO external components.
  • Can be powered from data line from 3V to 5.5V.
  • Measures temperatures from -55°C to +125°C.

The DS18B20 Digital Thermometer provides 9 to 12-bit (configurable) temperature readings, which indicate the temperature of the device. Information is sent to/from the DS18B20 over a 1-Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor to a DS18B20. 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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