If temperature drops below 33°F, then send IFTTTrigger-Temp-Below-Frz

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Prevent Frozen Pipes in Winter, this triggers Alexa Announcement when freezing. Configure: Temperature, Location, and Degrees: C or F degrees. Instructions: 1) In Alexa app, enable skill-IFTTT 2) Login to Amazon 3) In Alexa app, create new Routine: 3a) Name: Temp BELOW freezing 3b) When this happens: Smart Home, IFTTTrigger-Temp-BELOW-Frz, Save 3c) Add Action: Messaging, Send Announcement, "Temperature is below freezing. Drip faucets, etc.", Next, All Devices, Next, Next, Save

This Trigger monitors your local temperature and fires whenever the temperature drops below the value you provide.

This service from mkZense will send an action to run a routine on your Alexa device. Use it to add Voice to your Applet.