How to use N-channel MOSFET :-   • What is MOSFET ||  How to use N-chann...  

components links
IR sensors :- https://amzn.to/2JnF5Yw
buzzer:- https://amzn.to/3ro4LW9
mosfet :-https://amzn.to/34HWum2
ic7805 :-https://amzn.to/38ErPr5