Is your greenhouse getting frosty? How about too hot today? Is your fridge still on? Fido is a temperature alarm that will send you text messages that you can build for around $100. - [Fido Wifi Step 1: Getting Started](https://www.youtube.com/watch?v=S_rQY8IWLzA&feature=youtu.be) - [Fido Wifi Step 2: Configuring a Raspberry Pi to send temperature alerts via text message ](https://www.youtube.com/watch?v=T5jKz8d6kaI)...