this project will help users to automate home electrical switches like for fan and lights using arduiono uno USE ARDUINO UNO TO DEVELOP A FILE also change the id ans password in ino file for wifi configurations after that make an apk with any of the available software (online) ,hear i choose MIT INVENTOR "https://appinventor.mit.edu/" now connect the arduiono with relay module and wifi module with the help of wires you can also use nod mcu in place of arduiono uno THANK YOU [email protected]