[DO NOT TOUCH THE RELAY MODULE WHILE USING AC CURRENT/BULB, IT CAN BE DANGEROUS] Circuit Diagram - drive.google.com/file/d/1lcLG... Code - drive.google.com/file/d/1ZHfy...
Arduino ide - it is a computer application not a mobile app But if you want to upload the code through mobile then you can watch this video for further reference - ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-FU7PHi79Q2Q.htmlsi=lmTQE04MYy60Bx46