Features

• DS18B20 specs: unique 1-wire interface requires only one port pin for communication
• multidrop capability simplifies distributed temperature sensing applications
• requires no external components
• can be powered from data line, power supply range is 3.0 V to 5.5 V
• zero standby power required
• measures temperatures from -55°C to +125°C (Fahrenheit equivalent -67°F to +257°F)
• ± 0.5°C accuracy from -10°C to +85°C
• thermometer resolution is programmable from 9 to 12 bits
• converts 12-bit temperature to digital word in 750 ms (max.)
• user-definable, non-volatile temperature alarm settings
• alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)
• 3-wire adaptor for Arduino included

Specifications

• dimensions stainless steel tube:
  • diameter: 6 mm
  • length: 30 mm
• dimensions cable:
  • diameter: 4 mm
  • length: 36" (91 cm)
• connections:
  • red: 3-5 V
  • black: ground
  • yellow: data