Temperature Sensors

• Sparkfun Digital Temperature Sensor Breakout - TMP102
•  Texas Instruments TMP102
• 12-bit, 0.0625°C resolution
• Accuracy: 0.5°C (-25°C to +85°C)
• Low quiescent current
  
  
  • 10µA Active (max)
  • 1µA Shutdown (max)
• 1.4V to 3.6VDC supply range
• Two-wire serial interface
• $5.95
• Datasheet
• Sparkfun One Wire Digital Temperature Sensor - DS18B20
• Maxim DS18B20
• Maxim 1-Wire® interface
• 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.)
• $4.25
• Datasheet
   
• Sparkfun Temperature Sensor - LM335A
• National Semiconductor LM335A
• Analog 10mV/°K
• typically less than 1°C error over a 100°C temperature range. 
• Range  −40°C to 100°C.
• $1.50
• Datasheet
 
• Thermistor 10K
• Generic
• Range - 40 °C to + 125 °C
• Sparkfun $1.95 (much cheaper elsewhere)
• Sparkfun Data Sheet
• more
• Electronic brick - Temperature sensor(Analog) [ELB108C5M] - $3.50 : Seeed Studio Depot, Boost ideas, extend the reach
• Electronic brick - Indoor Temp & Humidity sensor [ELB146D2P] - $9.50 : Seeed Studio Depot, Boost ideas, extend the reach
• Temperature sensor with steel head [SEN118A2B] - $1.50 : Seeed Studio Depot, Boost ideas, extend the reach 
• Sensiron Temperature/Humidity Sensor
  
• Thermocouple Amplifier (MAX6675) breakout board /
• Thermocouple Type-K Glass Braid Insulated
• Humidity and Temperature Sensor