Refrigerator Alert

From Makers Local 256
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Born On:
12:27, 16 July 2013 (CDT)
Last Updated:
12:44, 16 July 2013 (CDT)


A sensor that alerts someone when the temperature in a fridge or freezer is too low.


This section become OBE once I learned that an UPS connected to cable modem and router would, in most cases, keep the internet available. The ISP has it's own backup power solution.

Radio needs to be able to survive a power outtage. This requirement eliminates Cable modem. Cell Network or HAM Network may be ideal.

  • Purchased Data Plan
    • Ting, $6+ per month
  • Ham Radio Email
    • Need to make sure this isn't a misuse of the HAM Network
    • Need a cheap device that can send APRS data packets
  • Hacked "free" 3G device