Temperature Sensors

• LM34
• LM35
• LM335Z
• Dallas Semi one wire devices: DS18S20 (DS1820 older)
  • http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2983/t/do good notes on 1 wire
• What is a "NTC temperature sensor" ? ( http://www.a1parts.com/newkits/index.html )

This circuit uses lm3X sensors: http://www.a1parts.com/newkits/projects/k120.pdf ( DIY KIT K120. DUAL TEMPERATURE METER )

temperature collecting circuit ( lm335 sensor ) http://www.velleman.eu/downloads/0/illustrated/illustrated_assembly_manual_k8067.pdf - also good notes on calibration.

also see

• http://hackaday.com/2012/01/11/dht11-humidity-and-temperature-sensor-package/

• DHT22 aka RHT03
  • https://projects.privateeyepi.com/home/home-alarm-system-project/temperature-and-humidity.php