In this project, you can voice control home appliances using google assistant. Whenever you command anything using google assistant, it create a trigger to ifttt.com from where it is passed to io.adafruit.com. From there a remote signal is sent to IOT home appliance for controlling its behavior. Just imagine youself having a ride from office to home and all your daily-essential devices like termostat, air-conditioner, Toaster, Heater, door lock under your voice command.
Materials:- NodeMCU ESP8266 5V Relay IN4007 Diode IN4148 Diode / 330 Ω Resistor Transistor BC547 Voltage Regulator 7805 LED DC Socket Terminal Connector PCB Header