This post shows that how can we use simple wifi module can be used as internet based home automation device using google assistant and adafruit io. for this project you will need following components and modules:- 1. NODE MCU board 2. Realy board 3. Phone charger now power the node mcu and relay module using the charger and connect the node mcu pins to the relay board and the hardware is ready now creat the adafruit io account and sign in and creat the feeds and dashboards like below now go to https://ifttt.com/ and creat account and follow following steps creat a new applet now follow the process in the website to connect the applet to your adafruit io feeds and upload the following code b...