David Hrbáč wrote:
Fajar Priyanto napsal(a):
I'm thinking of using a tool to monitor the temperature, and then send sms/email when it reaches certain threshold.
Hi, I'm successfully monitoring a lot of server rooms with serial thermometer like this: http://www.papouch.com/en/products.asp?dir=thermometers
Yeah, either that or use 1-Wire, which really rocks.
http://www.digitemp.com/ - cheap and reliable. Digitemp isn't the only application for that, http://en.wikipedia.org/wiki/1-Wire has an overview.
Ralph