DS18B20 Digital Temperature Sensor One wire

The DS18B20 is a digital temperature sensor renowned for its simplicity and accuracy, widely used in embedded systems and IoT applications. It operates within a temperature range of -55°C to +125°C with ±0.5°C precision and utilizes a 1-Wire communication protocol, allowing multiple sensors to connect via a single data pin. With programmable resolution from 9 to 12 bits, it ensures flexible data output, making it ideal for various monitoring tasks. Operating on a 3.0V to 5.5V supply, the DS18B20 is perfect for projects requiring reliable and accurate temperature measurements, such as weather stations, thermostats, and remote sensing devices.
Specifications:
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)
±0.5°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.)
User-definable nonvolatile (NV) alarm settings
Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)
Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system
Sources

DS18B20 Documentation