01  Arduino Temperature Sensor or Digital Thermometer with LM35

http://www.circuitsgallery.com/2014/10/arduino-temperature-sensor.html 

 

02

Temperature Controlled Relay with Arduino – Tutorial #6

http://www.electroschematics.com/8998/arduino-temperature-controlled-relay/ 

 

  03

Arduino Room Temperature Monitor

http://www.electroschematics.com/9321/arduino-room-temperature-monitor/