LiV Pi can be used for simple automation tasks using Sonoff. For example one can plug an AC unit into a Sonoff device and configure LiV Pi to send commands to Sonoff that would turn the AC unit on when the temperature (or CO2 level) exceeds a certain threshold.

We are not selling Sonoff devices. If you plan to use Sonoff with your LiV Pi, you will be doing it at your own risk. Please be aware that Sonoff is not certified (FCC, CE). Also, by installing the ESP firmware you would be voiding any warranty. Make sure the current through Sonoff stays well under the maximum rated value (e.g. my Sonoff is rated for max 10A current and I am using it to drive a 2A load).       

The Sonoff control code is not included in the LiV Pi image, so if you want to use Sonoff with LiV Pi, you need to copy the github code from here: 
github.com/FirstCypress/LiV/tree/master/software/liv/iotConnectors/sonoff 
under the "ioTconnectors" directory on your LiV Pi. Please refer to the configuration file for parameters to set. 
​You can also download the zip file from here: drive.google.com/open?id=1bvkHgI7jYmR-tw34gGV5X_7b8CkMzXpn

Here are the instructions on how to setup Sonof so it will work with your LiV Pi:  www.instructables.com/id/Control-Sonoff-From-Raspberry-Pi/

About Sonoff:
Sonoff is a WiFi wireless power plug that can be used to power up a wide range of home appliances. Out of the box, Sonoff transmits data to a cloud platform through the home WiFi router, which enables users to remotely control the connected appliances, via a mobile application called eWeLink. Sonoff can also be used with an open source firmware called ESP Easy. ESP Easy allows users to fully configure Sonoff (IP address, DNS, gateways, sensors, rules, etc...) using a web interface. Sonoff with ESP Easy is a very popular device for DIY home automation applications.

Here are some Sonoff and ESP Easy links: