Temperature Switch/Replicate

Source Hardware

Arduino Uno R3: Microcontroller Board

http://www.amazon.com/Arduino-Rev-3-Uno-R3/dp/B006H06TVG/ref=sr_1_1?ie=UTF8&qid=1340431795&sr=8-1&keywords=arduino+uno

LM335Z: Temperature Sensor

http://www.mouser.com/ProductDetail/STMicroelectronics/LM335Z/?qs=QVBMgXxBiLwLjNkADDRqhYMfKIBgWYFOqqjPZOGIMGA%3d

12V 0.5A Power Supply

http://www.amazon.com/VideoSecu-Regulated-Camera-Supply-Adapter/dp/B000VRL632/ref=sr_1_3?ie=UTF8&qid=1339264758&sr=8-3 keywords=12V+regulated+power+supply

Opto 22 120D25: Opto-isolated Solid-state Relay

http://www.amazon.com/Opto-22-Control-Optical-Isolation/dp/B0058UX2YS/ref=sr_1_3?ie=UTF8&qid=1340432074&sr=8-3&keywords=relay+120v