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DS18B20 Temperature Sensor Probe



Availability: In stock

Quick overview


  • DS18B20 digital temperature sensor with stainless steel cover and 50 centimeters quality wiring.
  • The sensor measuring -55°C to +125°C (-67°F to +257°F)


  • The probe based on DS18B20 chip
  • High-quality stainless steel tube encapsulation waterproof moistureproof prevent rust
  • Stainless steel shell 6*50mm
  • Power supply range: 3.0V to 5.5V
  • Operating temperature range: -55°C to +125°C (-67°F to +257°F)
  • Storage temperature range: -55°C to +125°C (-67°F to +257°F)
  • Accuracy over the range of -10°C to +85°C: ±0.5°C.
  • No other components required, working directly with One Wire data protocol.
  • Output lead: red (VCC), yellow(DATA) , black(GND)
  • Cable length: 50 cm


  • The DS18B20 is quite versatile. It can be powered through the data line (so called “parasite” mode, which requires only 2 wires versus 3 in normal mode), it operates in a 3.0V to 5.5V range, measures Temperatures from -55°C to +125°C (-67°F to +257°F) with and ±0.5°C Accuracy (from -10°C to +85°C). It converts a temperature in 750ms or less to a up to 12 bits value.
  • Another cool feature is that you can connect up to 127 of these sensors in parallel, and read each individual temperature. Not sure what I’d do with that, but the ability to combine one or two, for example for the temperature of your fridge and freezer, is a nice option, specially when other pins of your Arduino are being used for other things

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