Fido, the temperature alarm that sends text messages
What is Fido?
Fido is a farmer-built electronic tool that can monitor greenhouse temperature, record greenhouse data, and alert the farmer to problems in the greenhouse via cell phone text message. This tool is much more affordable than commercially available greenhouse alarms. Fido has been tested by several farmers to ensure that it is accessible and appropriate for various operations...
There are currently two versions of Fido. To build the first version requires soldering, in the second version the pieces snap together without soldering.